US Bridges

US81 HWY SB over Pipe Creek

Good

Ottawa County, Kansas · 5.61 MI N K106 · Structure no. 999908100720071

Built
1949
76 years old, rebuilt 1990
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
364 ft
5 main spans
Daily traffic
4,884
2023 count
Owner
State
State Highway Agency

About this bridge

US81 HWY SB over Pipe Creek is a steel continuous stringer/multi-beam or girder carrying US81 HWY SB over Pipe Creek in Ottawa County, Kansas. It was built in 1949 and reconstructed in 1990, so it is 76 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.

It carries about 4,884 vehicles a day, roughly 24% of them trucks, projected to reach 5,843 by 2044. The structure is 364 ft (110.9 m) long and 46 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUS81 HWY SB
CrossesPipe Creek
Location5.61 MI N K106
RouteU.S. Route 81
StateKansas
Coordinates39.19806, -97.66778
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating43.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length364 ft (110.9 m)
Longest span80 ft (24.4 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,884 (2023)
Projected traffic5,843 by 2044
Trucks24%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US81 HWY SB over Pipe Creek built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1990.

What condition is US81 HWY SB over Pipe 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 November 2024.

How much traffic does US81 HWY SB over Pipe Creek carry?

About 4,884 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US81 HWY SB over Pipe Creek?

The structure is 364 ft (110.9 m) long with a longest span of 80 ft (24.4 m) and a deck 46 ft wide.

Who owns US81 HWY SB over Pipe Creek?

It is owned by the State Highway Agency.