US Bridges

0746C (old US 69) over Blue River Oflow

FairPosted for load

Bryan County, Oklahoma · .2 NE of Armstrong · Structure no. 038030000000000

Built
1932
93 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
253 ft
7 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

0746C (old US 69) over Blue River Oflow is a steel stringer/multi-beam or girder carrying 0746C (old US 69) over Blue River Oflow in Bryan County, Oklahoma. It was built in 1932, so it is 93 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 253 ft (77.1 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries0746C (old US 69)
CrossesBlue River Oflow
Location.2 NE of Armstrong
RouteCounty Highway 746C
Coordinates34.05517, -96.33959
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 15
Structure length253 ft (77.1 m)
Longest span36 ft (11 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
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$813,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 0746C (old US 69) over Blue River Oflow built?

It was built in 1932, making it 93 years old in 2025.

What condition is 0746C (old US 69) over Blue River Oflow 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 May 2024.

How much traffic does 0746C (old US 69) over Blue River Oflow carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 0746C (old US 69) over Blue River Oflow?

The structure is 253 ft (77.1 m) long with a longest span of 36 ft (11 m) and a deck 26 ft wide.

Who owns 0746C (old US 69) over Blue River Oflow?

It is owned by the County Highway Agency.