US Bridges

Old HWY 30 over Elmore St;elmore ST Gs

Fair

Elmore County, Idaho · In Glenns Ferry · Structure no. 000000000027935

Built
1955
70 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
37 ft
1 main span
Daily traffic
940
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Old HWY 30 over Elmore St;elmore ST Gs is a concrete stringer/multi-beam or girder carrying Old HWY 30 over Elmore St;elmore ST Gs in Elmore County, Idaho. It was built in 1955, so it is 70 years old, older 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 940 vehicles a day, roughly 10% of them trucks, projected to reach 1,410 by 2039. The structure is 37 ft (11.3 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld HWY 30
CrossesElmore St;elmore ST Gs
LocationIn Glenns Ferry
RouteCity Street 0
StateIdaho
Coordinates42.95665, -115.30589
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span36 ft (11 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic940 (2023)
Projected traffic1,410 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Old HWY 30 over Elmore St;elmore ST Gs built?

It was built in 1955, making it 70 years old in 2025.

What condition is Old HWY 30 over Elmore St;elmore ST Gs 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 March 2024.

How much traffic does Old HWY 30 over Elmore St;elmore ST Gs carry?

About 940 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Old HWY 30 over Elmore St;elmore ST Gs?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 44 ft wide.

Who owns Old HWY 30 over Elmore St;elmore ST Gs?

It is owned by the City or Municipal Highway Agency.