US Bridges

IRR 5604C over Creek

FairPosted for load

Okmulgee County, Oklahoma · 6.1 NE SH16 · Structure no. 068660000000000

Built
1939
86 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

IRR 5604C over Creek is a concrete continuous slab carrying IRR 5604C over Creek in Okmulgee County, Oklahoma. It was built in 1939, so it is 86 years old, older 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. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 15% of them trucks, projected to reach 240 by 2042. The structure is 22 ft (6.7 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIRR 5604C
CrossesCreek
Location6.1 NE SH16
RouteCounty Highway 5604C
Coordinates35.81278, -95.84429
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating19 US tons
Inventory rating11.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic240 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR 5604C over Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is IRR 5604C over 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 September 2024.

How much traffic does IRR 5604C over Creek carry?

About 150 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is IRR 5604C over Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns IRR 5604C over Creek?

It is owned by the County Highway Agency.