US Bridges

Boulder Road over Meadow Cr;spencer Res Br

Fair

Owyhee County, Idaho · 22.7 W. Oreana · Structure no. 000000000028316

Built
1992
33 years old
Condition
Fair
inspected July 2023
Type
Frame
Concrete
Length
20 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

Boulder Road over Meadow Cr;spencer Res Br is a concrete frame carrying Boulder Road over Meadow Cr;spencer Res Br in Owyhee County, Idaho. It was built in 1992, so it is 33 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 30 vehicles a day, roughly 5% of them trucks, projected to reach 45 by 2039. The structure is 20 ft (6.1 m) long and 16 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesBoulder Road
CrossesMeadow Cr;spencer Res Br
Location22.7 W. Oreana
RouteCounty Highway 0
CountyOwyhee County
StateIdaho
Coordinates42.81803, -116.64381
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2039
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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$291,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Boulder Road over Meadow Cr;spencer Res Br built?

It was built in 1992, making it 33 years old in 2025.

What condition is Boulder Road over Meadow Cr;spencer Res 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 July 2023.

How much traffic does Boulder Road over Meadow Cr;spencer Res Br carry?

About 30 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Boulder Road over Meadow Cr;spencer Res Br?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 16 ft wide.

Who owns Boulder Road over Meadow Cr;spencer Res Br?

It is owned by the County Highway Agency.