US Bridges

513th ST over Clearwater Creek

Fair

Antelope County, Nebraska · JCT US 275/N14 .9S 10.7W · Structure no. C000210705

Built
1999
26 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
165
2011 count
Owner
County
County Highway Agency

About this bridge

513th ST over Clearwater Creek is a concrete continuous slab carrying 513th ST over Clearwater Creek in Antelope County, Nebraska. It was built in 1999, so it is 26 years old, younger 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 165 vehicles a day, projected to reach 170 by 2042. The structure is 107 ft (32.6 m) long and 30 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
Carries513th ST
CrossesClearwater Creek
LocationJCT US 275/N14 .9S 10.7W
RouteCounty Highway 2605
CountyAntelope County
StateNebraska
Coordinates42.1236, -98.2427
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating82.7 US tons
Inventory rating33.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length107 ft (32.6 m)
Longest span42 ft (12.8 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165 (2011)
Projected traffic170 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 513th ST over Clearwater Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is 513th ST over Clearwater 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 January 2025.

How much traffic does 513th ST over Clearwater Creek carry?

About 165 vehicles per day (2011 count).

How long is 513th ST over Clearwater Creek?

The structure is 107 ft (32.6 m) long with a longest span of 42 ft (12.8 m) and a deck 30 ft wide.

Who owns 513th ST over Clearwater Creek?

It is owned by the County Highway Agency.