US Bridges

Indian RD Rs 50 over Trib. Marmaton River

GoodPosted for load

Bourbon County, Kansas · 6.0N of Pawnee Station · Structure no. 000000000060060

Built
1925
100 years old
Condition
Good
inspected May 2024
Type
Tee Beam
Concrete
Length
38 ft
1 main span
Daily traffic
400
2006 count
Owner
County
County Highway Agency

About this bridge

Indian RD Rs 50 over Trib. Marmaton River is a concrete tee beam carrying Indian RD Rs 50 over Trib. Marmaton River in Bourbon County, Kansas. It was built in 1925, so it is 100 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 400 vehicles a day, roughly 10% of them trucks, projected to reach 400 by 2043. The structure is 38 ft (11.6 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIndian RD Rs 50
CrossesTrib. Marmaton River
Location6.0N of Pawnee Station
RouteCounty Highway 50
StateKansas
Coordinates37.7907, -94.79667
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26 US tons
Inventory rating26 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span36 ft (10.9 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic400 (2006)
Projected traffic400 by 2043
Trucks10%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$59,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Indian RD Rs 50 over Trib. Marmaton River built?

It was built in 1925, making it 100 years old in 2025.

What condition is Indian RD Rs 50 over Trib. Marmaton River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Indian RD Rs 50 over Trib. Marmaton River carry?

About 400 vehicles per day (2006 count), of which roughly 10% are trucks.

How long is Indian RD Rs 50 over Trib. Marmaton River?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (10.9 m) and a deck 23 ft wide.

Who owns Indian RD Rs 50 over Trib. Marmaton River?

It is owned by the County Highway Agency.