US Bridges

N 1800 E RD over Camas Creek

Fair

Jefferson County, Idaho · 2.9 N. 5.0 E. Terreton · Structure no. 000000000032470

Built
1969
56 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
210
2023 count
Owner
County
County Highway Agency

About this bridge

N 1800 E RD over Camas Creek is a prestressed concrete tee beam carrying N 1800 E RD over Camas Creek in Jefferson County, Idaho. It was built in 1969, so it is 56 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 5 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 210 vehicles a day, roughly 24% of them trucks, projected to reach 315 by 2042. The structure is 37 ft (11.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN 1800 E RD
CrossesCamas Creek
Location2.9 N. 5.0 E. Terreton
RouteCounty Highway 0
CountyJefferson County
StateIdaho
Coordinates43.88361, -112.33642
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length37 ft (11.3 m)
Longest span36 ft (11 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2023)
Projected traffic315 by 2042
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$381,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was N 1800 E RD over Camas Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is N 1800 E RD over Camas Creek 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 2023.

How much traffic does N 1800 E RD over Camas Creek carry?

About 210 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is N 1800 E RD over Camas Creek?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 28 ft wide.

Who owns N 1800 E RD over Camas Creek?

It is owned by the County Highway Agency.