US Bridges

4810C over Brier Creek

Fair

Marshall County, Oklahoma · 1.3 MI E of Powell · Structure no. 202740000000000

Built
1982
43 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
121 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

4810C over Brier Creek is a prestressed concrete tee beam carrying 4810C over Brier Creek in Marshall County, Oklahoma. It was built in 1982, so it is 43 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 121 ft (36.9 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
Carries4810C
CrossesBrier Creek
Location1.3 MI E of Powell
RouteCounty Highway 4810C
CountyMarshall County
StateOklahoma
Coordinates33.95469, -96.84228
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length121 ft (36.9 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 traffic100 (2022)
Projected traffic160 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$563,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 4810C over Brier Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is 4810C over Brier 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 October 2023.

How much traffic does 4810C over Brier Creek carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 4810C over Brier Creek?

The structure is 121 ft (36.9 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns 4810C over Brier Creek?

It is owned by the County Highway Agency.