US Bridges

U.S. 77 over Little Stillwater Creek

Fair

Noble County, Oklahoma · 2.3 MI N Logan Co. · Structure no. 197020000000000

Built
1980
45 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
540
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 77 over Little Stillwater Creek is a concrete culvert carrying U.S. 77 over Little Stillwater Creek in Noble County, Oklahoma. It was built in 1980, so it is 45 years old, younger than the Oklahoma average of 47.8 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 540 vehicles a day, roughly 15% of them trucks, projected to reach 864 by 2042. The structure is 31 ft (9.6 m) long and 41 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesU.S. 77
CrossesLittle Stillwater Creek
Location2.3 MI N Logan Co.
RouteU.S. Route 77
CountyNoble County
StateOklahoma
Coordinates36.19756, -97.37172
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length31 ft (9.6 m)
Longest span10 ft (3 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic540 (2022)
Projected traffic864 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 77 over Little Stillwater Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is U.S. 77 over Little Stillwater 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 April 2024.

How much traffic does U.S. 77 over Little Stillwater Creek carry?

About 540 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is U.S. 77 over Little Stillwater Creek?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m) and a deck 41 ft wide.

Who owns U.S. 77 over Little Stillwater Creek?

It is owned by the State Highway Agency.