US Bridges

FAS 0705 over Bois Darc Creek

Poor

Bryan County, Oklahoma · 1MI N Cobb · Structure no. 202620000000000

Built
1982
43 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
101 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 0705 over Bois Darc Creek is a steel stringer/multi-beam or girder carrying FAS 0705 over Bois Darc Creek in Bryan County, Oklahoma. It was built in 1982, so it is 43 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 101 ft (30.8 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAS 0705
CrossesBois Darc Creek
Location1MI N Cobb
RouteCounty Highway 705
Coordinates34.10039, -96.40774
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span48 ft (14.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 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 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$511,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 0705 over Bois Darc Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is FAS 0705 over Bois Darc Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does FAS 0705 over Bois Darc Creek carry?

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

How long is FAS 0705 over Bois Darc Creek?

The structure is 101 ft (30.8 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.

Who owns FAS 0705 over Bois Darc Creek?

It is owned by the County Highway Agency.