US Bridges

FAS 1648C over Little Washita River

Fair

Comanche County, Oklahoma · 6.8N of JCT SH65&17 · Structure no. 173310000000000

Built
1968
57 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
214 ft
3 main spans
Daily traffic
651
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 1648C over Little Washita River is a prestressed concrete stringer/multi-beam or girder carrying FAS 1648C over Little Washita River in Comanche County, Oklahoma. It was built in 1968, so it is 57 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.

It carries about 651 vehicles a day, roughly 15% of them trucks, projected to reach 1,042 by 2042. The structure is 214 ft (65.2 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFAS 1648C
CrossesLittle Washita River
Location6.8N of JCT SH65&17
RouteCounty Highway 1648
Coordinates34.85406, -98.1781
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length214 ft (65.2 m)
Longest span70 ft (21.3 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic651 (2022)
Projected traffic1,042 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$742,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 1648C over Little Washita River built?

It was built in 1968, making it 57 years old in 2025.

What condition is FAS 1648C over Little Washita 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 July 2023.

How much traffic does FAS 1648C over Little Washita River carry?

About 651 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is FAS 1648C over Little Washita River?

The structure is 214 ft (65.2 m) long with a longest span of 70 ft (21.3 m) and a deck 33 ft wide.

Who owns FAS 1648C over Little Washita River?

It is owned by the County Highway Agency.