US Bridges

SH 44 ;glenwood RD over Boise River;glenwood Br

Fair

Ada County, Idaho · In Boise · Structure no. 000000000014294

Built
1995
30 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
341 ft
5 main spans
Daily traffic
13,500
2023 count
Owner
State
State Highway Agency

About this bridge

SH 44 ;glenwood RD over Boise River;glenwood Br is a prestressed concrete box beam or girders - multiple carrying SH 44 ;glenwood RD over Boise River;glenwood Br in Ada County, Idaho. It was built in 1995, so it is 30 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 13,500 vehicles a day, roughly 7% of them trucks, projected to reach 20,250 by 2042. The structure is 341 ft (104 m) long and 85 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSH 44 ;glenwood RD
CrossesBoise River;glenwood Br
LocationIn Boise
RouteState Highway 44
CountyAda County
StateIdaho
Coordinates43.66081, -116.27969
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating48 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length341 ft (104 m)
Longest span66 ft (20.1 m)
Deck width85 ft (25.8 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,500 (2023)
Projected traffic20,250 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 44 ;glenwood RD over Boise River;glenwood Br built?

It was built in 1995, making it 30 years old in 2025.

What condition is SH 44 ;glenwood RD over Boise River;glenwood Br 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 2023.

How much traffic does SH 44 ;glenwood RD over Boise River;glenwood Br carry?

About 13,500 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SH 44 ;glenwood RD over Boise River;glenwood Br?

The structure is 341 ft (104 m) long with a longest span of 66 ft (20.1 m) and a deck 85 ft wide.

Who owns SH 44 ;glenwood RD over Boise River;glenwood Br?

It is owned by the State Highway Agency.