US Bridges

1070C over Sullivan Creek

Fair

Carter County, Oklahoma · 4. W 1.9 S of US 77 & 53 · Structure no. 236160000000000

Built
1994
31 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
106
2022 count
Owner
County
County Highway Agency

About this bridge

1070C over Sullivan Creek is a concrete culvert carrying 1070C over Sullivan Creek in Carter County, Oklahoma. It was built in 1994, so it is 31 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 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 106 vehicles a day, roughly 15% of them trucks, projected to reach 170 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries1070C
CrossesSullivan Creek
Location4. W 1.9 S of US 77 & 53
RouteCounty Highway 1029
CountyCarter County
StateOklahoma
Coordinates34.27502, -97.21297
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106 (2022)
Projected traffic170 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$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 1070C over Sullivan Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is 1070C over Sullivan 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 March 2023.

How much traffic does 1070C over Sullivan Creek carry?

About 106 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 1070C over Sullivan Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns 1070C over Sullivan Creek?

It is owned by the County Highway Agency.