US Bridges

4920C over Chouteau Creek

FairPosted for load

Mayes County, Oklahoma · 3.6N & 2.2W JCT US412&69 · Structure no. 107290000000000

Built
1947
78 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
141 ft
3 main spans
Daily traffic
175
2022 count
Owner
County
County Highway Agency

About this bridge

4920C over Chouteau Creek is a concrete stringer/multi-beam or girder carrying 4920C over Chouteau Creek in Mayes County, Oklahoma. It was built in 1947, so it is 78 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. Its operating status is: posted for load restriction.

It carries about 175 vehicles a day, roughly 15% of them trucks, projected to reach 280 by 2042. The structure is 141 ft (43 m) long and 25 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
Carries4920C
CrossesChouteau Creek
Location3.6N & 2.2W JCT US412&69
RouteCounty Highway 4920C
CountyMayes County
StateOklahoma
Coordinates36.21947, -95.38676
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating26.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length141 ft (43 m)
Longest span50 ft (15.2 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2022)
Projected traffic280 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$651,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 4920C over Chouteau Creek built?

It was built in 1947, making it 78 years old in 2025.

What condition is 4920C over Chouteau 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 2023.

How much traffic does 4920C over Chouteau Creek carry?

About 175 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 4920C over Chouteau Creek?

The structure is 141 ft (43 m) long with a longest span of 50 ft (15.2 m) and a deck 25 ft wide.

Who owns 4920C over Chouteau Creek?

It is owned by the County Highway Agency.