US Bridges

Rs 6 2600 ST over South Branch Coal Creek

FairPosted for load

Allen County, Kansas · 5.9S of LA Harpe · Structure no. 000000000010260

Built
1930
95 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
24 ft
2 main spans
Daily traffic
277
2006 count
Owner
County
County Highway Agency

About this bridge

Rs 6 2600 ST over South Branch Coal Creek is a concrete slab carrying Rs 6 2600 ST over South Branch Coal Creek in Allen County, Kansas. It was built in 1930, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 277 vehicles a day, roughly 10% of them trucks, projected to reach 373 by 2044. The structure is 24 ft (7.3 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRs 6 2600 ST
CrossesSouth Branch Coal Creek
Location5.9S of LA Harpe
RouteCounty Highway 6
CountyAllen County
StateKansas
Coordinates37.82158, -95.29942
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating15 US tons
Inventory rating15 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span11 ft (3.5 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic277 (2006)
Projected traffic373 by 2044
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$101,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 6 2600 ST over South Branch Coal Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Rs 6 2600 ST over South Branch Coal 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 February 2024.

How much traffic does Rs 6 2600 ST over South Branch Coal Creek carry?

About 277 vehicles per day (2006 count), of which roughly 10% are trucks.

How long is Rs 6 2600 ST over South Branch Coal Creek?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.5 m) and a deck 27 ft wide.

Who owns Rs 6 2600 ST over South Branch Coal Creek?

It is owned by the County Highway Agency.