US Bridges

2604C over Ionine Creek

FairPosted for load

Grady County, Oklahoma · 9.6 MI N E Verden · Structure no. 182220000000000

Built
1972
53 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
332
2022 count
Owner
County
County Highway Agency

About this bridge

2604C over Ionine Creek is a concrete culvert carrying 2604C over Ionine Creek in Grady County, Oklahoma. It was built in 1972, so it is 53 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 5 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 332 vehicles a day, roughly 15% of them trucks, projected to reach 531 by 2042. The structure is 38 ft (11.5 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries2604C
CrossesIonine Creek
Location9.6 MI N E Verden
RouteCounty Highway 2604C
CountyGrady County
StateOklahoma
Coordinates35.20374, -98.07149
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.5 m)
Longest span12 ft (3.7 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic332 (2022)
Projected traffic531 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 2604C over Ionine Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is 2604C over Ionine 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 2604C over Ionine Creek carry?

About 332 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 2604C over Ionine Creek?

The structure is 38 ft (11.5 m) long with a longest span of 12 ft (3.7 m) and a deck 32 ft wide.

Who owns 2604C over Ionine Creek?

It is owned by the County Highway Agency.