US Bridges

5018C over Chigley Sandy Creek

Fair

Murray County, Oklahoma · .5 MI E .3 S Chigley · Structure no. 208110000000000

Built
1984
41 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Prestressed Concrete
Length
110 ft
3 main spans
Daily traffic
180
2022 count
Owner
County
County Highway Agency

About this bridge

5018C over Chigley Sandy Creek is a prestressed concrete tee beam carrying 5018C over Chigley Sandy Creek in Murray County, Oklahoma. It was built in 1984, so it is 41 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 180 vehicles a day, roughly 15% of them trucks, projected to reach 288 by 2042. The structure is 110 ft (33.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries5018C
CrossesChigley Sandy Creek
Location.5 MI E .3 S Chigley
RouteCounty Highway 5018C
Coordinates34.58966, -97.07262
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating25 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2022)
Projected traffic288 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$534,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 5018C over Chigley Sandy Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is 5018C over Chigley Sandy 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 January 2024.

How much traffic does 5018C over Chigley Sandy Creek carry?

About 180 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 5018C over Chigley Sandy Creek?

The structure is 110 ft (33.5 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns 5018C over Chigley Sandy Creek?

It is owned by the County Highway Agency.