US Bridges

State Rte. 13 over Tuttle Creek Lake

Fair

Pottawatomie County, Kansas · Manhattan Ks. · Structure no. CEPMRKKS0000004

Built
1960
65 years old, rebuilt 2019
Condition
Fair
inspected April 2023
Type
Girder and Floorbeam System
Steel
Length
846 ft
18 main spans
Daily traffic
3,690
2021 count
Owner
Federal
Corps of Engineers (Civil)

About this bridge

State Rte. 13 over Tuttle Creek Lake is a steel girder and floorbeam system carrying State Rte. 13 over Tuttle Creek Lake in Pottawatomie County, Kansas. It was built in 1960 and reconstructed in 2019, so it is 65 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 5 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 3,690 vehicles a day, roughly 4% of them trucks, projected to reach 1,000 by 2039. The structure is 846 ft (257.8 m) long and 35 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesState Rte. 13
CrossesTuttle Creek Lake
LocationManhattan Ks.
RouteState Highway 13
StateKansas
Coordinates39.26349, -96.57779
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans18
Design loadHS 20 + Mod
Structure length846 ft (257.8 m)
Longest span42 ft (12.8 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,690 (2021)
Projected traffic1,000 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$2.9 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Rte. 13 over Tuttle Creek Lake built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2019.

What condition is State Rte. 13 over Tuttle Creek Lake 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 April 2023.

How much traffic does State Rte. 13 over Tuttle Creek Lake carry?

About 3,690 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is State Rte. 13 over Tuttle Creek Lake?

The structure is 846 ft (257.8 m) long with a longest span of 42 ft (12.8 m) and a deck 35 ft wide.

Who owns State Rte. 13 over Tuttle Creek Lake?

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