US Bridges

800 East Road over T.F.Northside Main Cnl

Fair

Jerome County, Idaho · 1.5 N. 8.0 E. Jerome · Structure no. 000000000024535

Built
1970
55 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete
Length
74 ft
2 main spans
Daily traffic
200
2023 count
Owner
Local
Other Local Agency

About this bridge

800 East Road over T.F.Northside Main Cnl is a concrete tee beam carrying 800 East Road over T.F.Northside Main Cnl in Jerome County, Idaho. It was built in 1970, so it is 55 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 200 vehicles a day, roughly 25% of them trucks, projected to reach 300 by 2042. The structure is 74 ft (22.6 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Carries800 East Road
CrossesT.F.Northside Main Cnl
Location1.5 N. 8.0 E. Jerome
RouteCounty Highway 0
StateIdaho
Coordinates42.74372, -114.36487
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span36 ft (11 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic300 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$686,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 800 East Road over T.F.Northside Main Cnl built?

It was built in 1970, making it 55 years old in 2025.

What condition is 800 East Road over T.F.Northside Main Cnl 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 2024.

How much traffic does 800 East Road over T.F.Northside Main Cnl carry?

About 200 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is 800 East Road over T.F.Northside Main Cnl?

The structure is 74 ft (22.6 m) long with a longest span of 36 ft (11 m) and a deck 27 ft wide.

Who owns 800 East Road over T.F.Northside Main Cnl?

It is owned by the Other Local Agency.