US Bridges

U.S. 177 over Chilly Creek

Good

Murray County, Oklahoma · 7.3 MI S JCT SH7 · Structure no. 154880000000000

Built
1962
63 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
1,600
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 177 over Chilly Creek is a concrete culvert carrying U.S. 177 over Chilly Creek in Murray County, Oklahoma. It was built in 1962, so it is 63 years old, older than the Oklahoma average of 47.8 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 1,600 vehicles a day, roughly 16% of them trucks, projected to reach 2,560 by 2042. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 47.8 mi (77 km).

Location

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CarriesU.S. 177
CrossesChilly Creek
Location7.3 MI S JCT SH7
RouteU.S. Route 177
CountyMurray County
StateOklahoma
Coordinates34.40919, -96.95072
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2022)
Projected traffic2,560 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.8 mi (77 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$741,000
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 177 over Chilly Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is U.S. 177 over Chilly 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 March 2024.

How much traffic does U.S. 177 over Chilly Creek carry?

About 1,600 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is U.S. 177 over Chilly Creek?

The structure is 38 ft (11.6 m) long with a longest span of 14 ft (4.3 m).

Who owns U.S. 177 over Chilly Creek?

It is owned by the State Highway Agency.