US Bridges

1606C over Creek

Fair

Comanche County, Oklahoma · 3N .3W of JCT US277/SH17 · Structure no. 258370000000000

Built
1999
26 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
22 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

1606C over Creek is a concrete stringer/multi-beam or girder carrying 1606C over Creek in Comanche County, Oklahoma. It was built in 1999, so it is 26 years old, younger 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 5 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 22 ft (6.7 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries1606C
CrossesCreek
Location3N .3W of JCT US277/SH17
RouteCounty Highway 1606C
CountyComanche County
StateOklahoma
Coordinates34.82611, -98.26792
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width36 ft (11 m)
Roadway width33 ft (10 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 closed3.1 mi (5 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$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 1606C over Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is 1606C over 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 July 2023.

How much traffic does 1606C over Creek carry?

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

How long is 1606C over Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 36 ft wide.

Who owns 1606C over Creek?

It is owned by the County Highway Agency.