US Bridges

Rs 1151 over Marmaton River

GoodPosted for load

Allen County, Kansas · 0.8S 2.1W of Bronson · Structure no. 000000000010440

Built
1958
67 years old
Condition
Good
inspected January 2024
Type
Tee Beam
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
99
2006 count
Owner
County
County Highway Agency

About this bridge

Rs 1151 over Marmaton River is a concrete continuous tee beam carrying Rs 1151 over Marmaton River in Allen County, Kansas. It was built in 1958, so it is 67 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 99 vehicles a day, projected to reach 99 by 2044. The structure is 133 ft (40.5 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRs 1151
CrossesMarmaton River
Location0.8S 2.1W of Bronson
RouteCounty Highway 1151
CountyAllen County
StateKansas
Coordinates37.87788, -95.1157
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.
Substructure8 Very GoodNo problems noted.
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 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.2 US tons
Inventory rating18 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length133 ft (40.5 m)
Longest span50 ft (15.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic99 (2006)
Projected traffic99 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$349,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 1151 over Marmaton River built?

It was built in 1958, making it 67 years old in 2025.

What condition is Rs 1151 over 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 January 2024.

How much traffic does Rs 1151 over Marmaton River carry?

About 99 vehicles per day (2006 count).

How long is Rs 1151 over Marmaton River?

The structure is 133 ft (40.5 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns Rs 1151 over Marmaton River?

It is owned by the County Highway Agency.