US Bridges

4908C over Osage Creek

PoorPosted for load

Mayes County, Oklahoma · 1.7 MI SW of SH 28 · Structure no. 135390000000000

Built
1956
69 years old
Condition
Poor
inspected April 2023
Type
Slab
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
225
2022 count
Owner
County
County Highway Agency

About this bridge

4908C over Osage Creek is a concrete continuous slab carrying 4908C over Osage Creek in Mayes County, Oklahoma. It was built in 1956, so it is 69 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 225 vehicles a day, roughly 15% of them trucks, projected to reach 360 by 2042. The structure is 25 ft (7.6 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries4908C
CrossesOsage Creek
Location1.7 MI SW of SH 28
RouteCounty Highway 4908C
Coordinates36.41935, -95.39995
Functional classRural Major Collector

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, 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; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.5 US tons
Inventory rating15.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length25 ft (7.6 m)
Longest span10 ft (3 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2022)
Projected traffic360 by 2042
Trucks15%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$241,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 4908C over Osage Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is 4908C over Osage 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 4908C over Osage Creek carry?

About 225 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 4908C over Osage Creek?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m) and a deck 21 ft wide.

Who owns 4908C over Osage Creek?

It is owned by the County Highway Agency.