US Bridges

Sma 7643;ECKERT RD over Boise River(barber Br)

PoorClosed to traffic

Ada County, Idaho · At Boise Ecl;eckert RD · Structure no. 000000000012810

Built
1954
71 years old, rebuilt 1998
Condition
Poor
inspected October 2024
Type
Tee Beam
Concrete
Length
315 ft
9 main spans
Daily traffic
6,700
2023 count
Owner
County
County Highway Agency

About this bridge

Sma 7643;ECKERT RD over Boise River(barber Br) is a concrete tee beam carrying Sma 7643;ECKERT RD over Boise River(barber Br) in Ada County, Idaho. It was built in 1954 and reconstructed in 1998, so it is 71 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 6,700 vehicles a day, roughly 2% of them trucks, projected to reach 10,050 by 2042. The structure is 315 ft (96 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSma 7643;ECKERT RD
CrossesBoise River(barber Br)
LocationAt Boise Ecl;eckert RD
RouteCounty Highway 7643
StateIdaho
Coordinates43.56536, -116.13269
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 15
Structure length315 ft (96 m)
Longest span34 ft (10.4 m)
Deck width39 ft (12 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2023)
Projected traffic10,050 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sma 7643;ECKERT RD over Boise River(barber Br) built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1998.

What condition is Sma 7643;ECKERT RD over Boise River(barber Br) in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Sma 7643;ECKERT RD over Boise River(barber Br) carry?

About 6,700 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Sma 7643;ECKERT RD over Boise River(barber Br)?

The structure is 315 ft (96 m) long with a longest span of 34 ft (10.4 m) and a deck 39 ft wide.

Who owns Sma 7643;ECKERT RD over Boise River(barber Br)?

It is owned by the County Highway Agency.