US Bridges

FAS 4918 over Pryor Creek

PoorPosted for load

Mayes County, Oklahoma · 4.0S & 1.5W of Adair · Structure no. 109340000000000

Built
1948
77 years old
Condition
Poor
inspected April 2023
Type
Girder and Floorbeam System
Concrete
Length
110 ft
3 main spans
Daily traffic
500
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 4918 over Pryor Creek is a concrete girder and floorbeam system carrying FAS 4918 over Pryor Creek in Mayes County, Oklahoma. It was built in 1948, so it is 77 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 500 vehicles a day, roughly 10% of them trucks, projected to reach 800 by 2042. The structure is 110 ft (33.5 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFAS 4918
CrossesPryor Creek
Location4.0S & 1.5W of Adair
RouteCounty Highway 4918
Coordinates36.37983, -95.30248
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.3 US tons
Inventory rating22.4 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length110 ft (33.5 m)
Longest span37 ft (11.4 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic800 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 FAS 4918 over Pryor Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is FAS 4918 over Pryor Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does FAS 4918 over Pryor Creek carry?

About 500 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is FAS 4918 over Pryor Creek?

The structure is 110 ft (33.5 m) long with a longest span of 37 ft (11.4 m) and a deck 23 ft wide.

Who owns FAS 4918 over Pryor Creek?

It is owned by the County Highway Agency.