US Bridges

Local 71-12-1 over Antelope Creek

FairPosted for load

Sumner County, Kansas · 0.1S 6.0E Belle Plaine · Structure no. 000960839006601

Built
1986
39 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
10
2013 count
Owner
County
County Highway Agency

About this bridge

Local 71-12-1 over Antelope Creek is a steel stringer/multi-beam or girder carrying Local 71-12-1 over Antelope Creek in Sumner County, Kansas. It was built in 1986, so it is 39 years old, younger than the Kansas average of 52.8 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 14 by 2043. The structure is 30 ft (9.1 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal 71-12-1
CrossesAntelope Creek
Location0.1S 6.0E Belle Plaine
RouteCounty Highway 0
StateKansas
Coordinates37.38969, -97.16882
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment8: Equal to present desirable criteria
Operating rating38.8 US tons
Inventory rating23.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span28 ft (8.6 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2013)
Projected traffic14 by 2043
Trucks0%
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 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 Local 71-12-1 over Antelope Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Local 71-12-1 over Antelope 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 May 2023.

How much traffic does Local 71-12-1 over Antelope Creek carry?

About 10 vehicles per day (2013 count).

How long is Local 71-12-1 over Antelope Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.6 m) and a deck 22 ft wide.

Who owns Local 71-12-1 over Antelope Creek?

It is owned by the County Highway Agency.