US Bridges

FAS 0720 over Blue River

Good

Bryan County, Oklahoma · 4.5 S. of Bokchito · Structure no. 187770000000000

Built
1974
51 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
343 ft
5 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 0720 over Blue River is a prestressed concrete stringer/multi-beam or girder carrying FAS 0720 over Blue River in Bryan County, Oklahoma. It was built in 1974, so it is 51 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 343 ft (104.5 m) long and 35 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesFAS 0720
CrossesBlue River
Location4.5 S. of Bokchito
RouteCounty Highway 720
Coordinates33.94818, -96.1477
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length343 ft (104.5 m)
Longest span100 ft (30.5 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 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
CrossesWaterway
Detour if closed16.2 mi (26 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$958,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 0720 over Blue River built?

It was built in 1974, making it 51 years old in 2025.

What condition is FAS 0720 over Blue River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does FAS 0720 over Blue River carry?

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

How long is FAS 0720 over Blue River?

The structure is 343 ft (104.5 m) long with a longest span of 100 ft (30.5 m) and a deck 35 ft wide.

Who owns FAS 0720 over Blue River?

It is owned by the County Highway Agency.