US Bridges

Service Road over Tuttle-Wolf Creek-Box

Fair

Riley County, Kansas · Manhattan Ks · Structure no. CEPNWKKS0000055

Built
1950
75 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
300
2015 count
Owner
Federal
Corps of Engineers (Civil)

About this bridge

Service Road over Tuttle-Wolf Creek-Box is a concrete continuous culvert carrying Service Road over Tuttle-Wolf Creek-Box in Riley County, Kansas. It was built in 1950, so it is 75 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.

It carries about 300 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2042. The structure is 21 ft (6.3 m) long and 46 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesService Road
CrossesTuttle-Wolf Creek-Box
LocationManhattan Ks
CountyRiley County
StateKansas
Coordinates39.24864, -96.59846
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span10 ft (3.1 m)
Deck width46 ft (14 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2015)
Projected traffic300 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRelief for waterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCorps of Engineers (Civil)
Maintained byCorps of Engineers (Civil)
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$140,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Service Road over Tuttle-Wolf Creek-Box built?

It was built in 1950, making it 75 years old in 2025.

What condition is Service Road over Tuttle-Wolf Creek-Box 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 November 2024.

How much traffic does Service Road over Tuttle-Wolf Creek-Box carry?

About 300 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Service Road over Tuttle-Wolf Creek-Box?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3.1 m) and a deck 46 ft wide.

Who owns Service Road over Tuttle-Wolf Creek-Box?

It is owned by the Corps of Engineers (Civil).