US Bridges

FAS 1608C over Ketch Creek

GoodPosted for load

Comanche County, Oklahoma · 4. N .9 W of SH 49 · Structure no. 198600000000000

Built
1981
44 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
610
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 1608C over Ketch Creek is a concrete culvert carrying FAS 1608C over Ketch Creek in Comanche County, Oklahoma. It was built in 1981, so it is 44 years old, younger 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 610 vehicles a day, roughly 15% of them trucks, projected to reach 976 by 2042. The structure is 25 ft (7.6 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesFAS 1608C
CrossesKetch Creek
Location4. N .9 W of SH 49
RouteCounty Highway 1608C
CountyComanche County
StateOklahoma
Coordinates34.78266, -98.48014
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating52 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width37 ft (11.3 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2022)
Projected traffic976 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 Ketch Creek built?

It was built in 1981, making it 44 years old in 2025.

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

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

About 610 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is FAS 1608C over Ketch Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 37 ft wide.

Who owns FAS 1608C over Ketch Creek?

It is owned by the County Highway Agency.