US Bridges

3504C over Blue River

Fair

Johnston County, Oklahoma · .7 E of Connerville · Structure no. 213320000000000

Built
1986
39 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
213 ft
3 main spans
Daily traffic
375
2022 count
Owner
County
County Highway Agency

About this bridge

3504C over Blue River is a prestressed concrete stringer/multi-beam or girder carrying 3504C over Blue River in Johnston County, Oklahoma. It was built in 1986, so it is 39 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 375 vehicles a day, roughly 15% of them trucks, projected to reach 600 by 2042. The structure is 213 ft (64.8 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries3504C
CrossesBlue River
Location.7 E of Connerville
RouteCounty Highway 3504C
CountyJohnston County
StateOklahoma
Coordinates34.44855, -96.62309
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length213 ft (64.8 m)
Longest span70 ft (21.3 m)
Deck width34 ft (10.5 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2022)
Projected traffic600 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$738,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 3504C over Blue River built?

It was built in 1986, making it 39 years old in 2025.

What condition is 3504C over Blue River 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 April 2023.

How much traffic does 3504C over Blue River carry?

About 375 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 3504C over Blue River?

The structure is 213 ft (64.8 m) long with a longest span of 70 ft (21.3 m) and a deck 34 ft wide.

Who owns 3504C over Blue River?

It is owned by the County Highway Agency.