US Bridges

4606C over Elk Creek

Poor

McIntosh County, Oklahoma · .3W of Rentiesville · Structure no. 172300000000000

Built
1968
57 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
131 ft
3 main spans
Daily traffic
300
2022 count
Owner
County
County Highway Agency

About this bridge

4606C over Elk Creek is a prestressed concrete stringer/multi-beam or girder carrying 4606C over Elk Creek in McIntosh County, Oklahoma. It was built in 1968, so it is 57 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 3 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 300 vehicles a day, roughly 15% of them trucks, projected to reach 480 by 2042. The structure is 131 ft (39.9 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Carries4606C
CrossesElk Creek
Location.3W of Rentiesville
RouteCounty Highway 4606C
Coordinates35.52217, -95.5031
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 6 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.2 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length131 ft (39.9 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic480 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$587,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 4606C over Elk Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is 4606C over Elk 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 August 2024.

How much traffic does 4606C over Elk Creek carry?

About 300 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 4606C over Elk Creek?

The structure is 131 ft (39.9 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns 4606C over Elk Creek?

It is owned by the County Highway Agency.