US Bridges

FAS 1608C over Canyon Creek

Fair

Comanche County, Oklahoma · 4. N 3.5 W of SH 49 · Structure no. 191980000000000

Built
1976
49 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
75 ft
7 main spans
Daily traffic
392
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 1608C over Canyon Creek is a concrete culvert carrying FAS 1608C over Canyon Creek in Comanche County, Oklahoma. It was built in 1976, so it is 49 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 392 vehicles a day, roughly 15% of them trucks, projected to reach 627 by 2042. The structure is 75 ft (22.9 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAS 1608C
CrossesCanyon Creek
Location4. N 3.5 W of SH 49
RouteCounty Highway 1608C
Coordinates34.78257, -98.52529
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span10 ft (3 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic392 (2022)
Projected traffic627 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 1608C over Canyon Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is FAS 1608C over Canyon Creek 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 August 2023.

How much traffic does FAS 1608C over Canyon Creek carry?

About 392 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is FAS 1608C over Canyon Creek?

The structure is 75 ft (22.9 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns FAS 1608C over Canyon Creek?

It is owned by the County Highway Agency.