US Bridges

County Highway over Clear Creek

Fair

Polk County, Nebraska · 10.3N 2W Shelby · Structure no. C007203910

Built
1975
50 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
50
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Clear Creek is a prestressed concrete tee beam carrying County Highway over Clear Creek in Polk County, Nebraska. It was built in 1975, so it is 50 years old, older than the Nebraska average of 47.1 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 50 vehicles a day, projected to reach 85 by 2041. The structure is 43 ft (13.1 m) long and 24 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesCounty Highway
CrossesClear Creek
Location10.3N 2W Shelby
RouteCounty Highway 39
Coordinates41.3417, -97.465
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating38.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span39 ft (11.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2003)
Projected traffic85 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Clear Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is County Highway over Clear 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 November 2023.

How much traffic does County Highway over Clear Creek carry?

About 50 vehicles per day (2003 count).

How long is County Highway over Clear Creek?

The structure is 43 ft (13.1 m) long with a longest span of 39 ft (11.9 m) and a deck 24 ft wide.

Who owns County Highway over Clear Creek?

It is owned by the County Highway Agency.