US Bridges

U.S. 77 over Snake Creek

Fair

Logan County, Oklahoma · 3.9 MI N JCT I-35 · Structure no. 072050000000000

Built
1939
86 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
13,000
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 77 over Snake Creek is a concrete culvert carrying U.S. 77 over Snake Creek in Logan County, Oklahoma. It was built in 1939, so it is 86 years old, older 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 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 13,000 vehicles a day, roughly 16% of them trucks, projected to reach 20,800 by 2042. The structure is 40 ft (12.2 m) long and 62 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesU.S. 77
CrossesSnake Creek
Location3.9 MI N JCT I-35
RouteU.S. Route 77
CountyLogan County
StateOklahoma
Coordinates35.86926, -97.42524
Functional classUrban Other Principal 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length40 ft (12.2 m)
Longest span14 ft (4.3 m)
Deck width62 ft (18.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2022)
Projected traffic20,800 by 2042
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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$689,000
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 77 over Snake Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is U.S. 77 over Snake 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 September 2024.

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

About 13,000 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is U.S. 77 over Snake Creek?

The structure is 40 ft (12.2 m) long with a longest span of 14 ft (4.3 m) and a deck 62 ft wide.

Who owns U.S. 77 over Snake Creek?

It is owned by the State Highway Agency.