US Bridges

Antelope Rd. over Pony Creek

Fair

Brown County, Kansas · 0.8E 3.1N of Sabetha · Structure no. 000070987003064

Built
1965
60 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
45
2016 count
Owner
County
County Highway Agency

About this bridge

Antelope Rd. over Pony Creek is a steel stringer/multi-beam or girder carrying Antelope Rd. over Pony Creek in Brown County, Kansas. It was built in 1965, so it is 60 years old, older 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.

It carries about 45 vehicles a day, projected to reach 50 by 2044. The structure is 61 ft (18.6 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesAntelope Rd.
CrossesPony Creek
Location0.8E 3.1N of Sabetha
RouteCounty Highway 0
CountyBrown County
StateKansas
Coordinates39.95282, -95.76912
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.8 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span59 ft (17.9 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic45 (2016)
Projected traffic50 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$134,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Antelope Rd. over Pony Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Antelope Rd. over Pony 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 2024.

How much traffic does Antelope Rd. over Pony Creek carry?

About 45 vehicles per day (2016 count).

How long is Antelope Rd. over Pony Creek?

The structure is 61 ft (18.6 m) long with a longest span of 59 ft (17.9 m) and a deck 28 ft wide.

Who owns Antelope Rd. over Pony Creek?

It is owned by the County Highway Agency.