US Bridges

STP7243;E Park Ctr over Boise River

Fair

Ada County, Idaho · East Boise · Structure no. 000000000033990

Built
2009
16 years old
Condition
Fair
inspected November 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
464 ft
2 main spans
Daily traffic
11,500
2023 count
Owner
County
County Highway Agency

About this bridge

STP7243;E Park Ctr over Boise River is a steel continuous stringer/multi-beam or girder carrying STP7243;E Park Ctr over Boise River in Ada County, Idaho. It was built in 2009, so it is 16 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 11,500 vehicles a day, roughly 1% of them trucks, projected to reach 17,250 by 2042. The structure is 464 ft (141.4 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSTP7243;E Park Ctr
CrossesBoise River
LocationEast Boise
RouteCity Street 7243
CountyAda County
StateIdaho
Coordinates43.57578, -116.15217
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHL 93
Structure length464 ft (141.4 m)
Longest span239 ft (72.7 m)
Deck width76 ft (23.2 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,500 (2023)
Projected traffic17,250 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was STP7243;E Park Ctr over Boise River built?

It was built in 2009, making it 16 years old in 2025.

What condition is STP7243;E Park Ctr over Boise River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2021.

How much traffic does STP7243;E Park Ctr over Boise River carry?

About 11,500 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is STP7243;E Park Ctr over Boise River?

The structure is 464 ft (141.4 m) long with a longest span of 239 ft (72.7 m) and a deck 76 ft wide.

Who owns STP7243;E Park Ctr over Boise River?

It is owned by the County Highway Agency.