US Bridges

Rs 6 2600 ST over North Branch Coal Creek

GoodPosted for load

Allen County, Kansas · 5.3S of LA Harpe · Structure no. 000000000010270

Built
1957
68 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
62 ft
3 main spans
Daily traffic
277
2006 count
Owner
County
County Highway Agency

About this bridge

Rs 6 2600 ST over North Branch Coal Creek is a concrete culvert carrying Rs 6 2600 ST over North Branch Coal Creek in Allen County, Kansas. It was built in 1957, so it is 68 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 277 vehicles a day, roughly 10% of them trucks, projected to reach 373 by 2044. The structure is 62 ft (18.8 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRs 6 2600 ST
CrossesNorth Branch Coal Creek
Location5.3S of LA Harpe
RouteCounty Highway 6
StateKansas
Coordinates37.82939, -95.29937
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15 US tons
Inventory rating15 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length62 ft (18.8 m)
Longest span20 ft (6 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$166,000
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1957, making it 68 years old in 2025.

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

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

The structure is 62 ft (18.8 m) long with a longest span of 20 ft (6 m) and a deck 30 ft wide.

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

It is owned by the County Highway Agency.