US Bridges

512th Ave over Clearwater Creek Trib

FairPosted for load

Antelope County, Nebraska · 4W 3.75S of Clearwater · Structure no. C000210503

Built
1960
65 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
20
2003 count
Owner
County
County Highway Agency

About this bridge

512th Ave over Clearwater Creek Trib is a steel stringer/multi-beam or girder carrying 512th Ave over Clearwater Creek Trib in Antelope County, Nebraska. It was built in 1960, so it is 65 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 34 by 2042. The structure is 26 ft (7.9 m) long and 16 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
Carries512th Ave
CrossesClearwater Creek Trib
Location4W 3.75S of Clearwater
RouteCounty Highway 105
CountyAntelope County
StateNebraska
Coordinates42.1058, -98.2621
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.3 US tons
Inventory rating19.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2003)
Projected traffic34 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 512th Ave over Clearwater Creek Trib built?

It was built in 1960, making it 65 years old in 2025.

What condition is 512th Ave over Clearwater Creek Trib 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 January 2025.

How much traffic does 512th Ave over Clearwater Creek Trib carry?

About 20 vehicles per day (2003 count).

How long is 512th Ave over Clearwater Creek Trib?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 16 ft wide.

Who owns 512th Ave over Clearwater Creek Trib?

It is owned by the County Highway Agency.