US Bridges

4950C over Lake Hudson Benge CR

Poor

Mayes County, Oklahoma · 2.W & 0.3 S of Strang · Structure no. 157510000000000

Built
1963
62 years old
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
121 ft
3 main spans
Daily traffic
500
2022 count
Owner
County
County Highway Agency

About this bridge

4950C over Lake Hudson Benge CR is a steel continuous stringer/multi-beam or girder carrying 4950C over Lake Hudson Benge CR in Mayes County, Oklahoma. It was built in 1963, so it is 62 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.

It carries about 500 vehicles a day, roughly 15% of them trucks, projected to reach 800 by 2042. The structure is 121 ft (36.9 m) long and 23 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Carries4950C
CrossesLake Hudson Benge CR
Location2.W & 0.3 S of Strang
RouteCounty Highway 4950C
Coordinates36.40425, -95.16699
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
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 statusOpen, no 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 alignment6: Equal to present minimum criteria
Operating rating56.3 US tons
Inventory rating33.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length121 ft (36.9 m)
Longest span45 ft (13.7 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic800 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 4950C over Lake Hudson Benge CR built?

It was built in 1963, making it 62 years old in 2025.

What condition is 4950C over Lake Hudson Benge CR 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 4950C over Lake Hudson Benge CR carry?

About 500 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 4950C over Lake Hudson Benge CR?

The structure is 121 ft (36.9 m) long with a longest span of 45 ft (13.7 m) and a deck 23 ft wide.

Who owns 4950C over Lake Hudson Benge CR?

It is owned by the County Highway Agency.