US Bridges

Forrest Hill over Sand Creek

Fair

Atoka County, Oklahoma · .9E 2.4S of Atoka · Structure no. 052940000000000

Built
1937
88 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
36 ft
3 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

Forrest Hill over Sand Creek is a concrete slab carrying Forrest Hill over Sand Creek in Atoka County, Oklahoma. It was built in 1937, so it is 88 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 200 vehicles a day, roughly 15% of them trucks, projected to reach 320 by 2042. The structure is 36 ft (11 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesForrest Hill
CrossesSand Creek
Location.9E 2.4S of Atoka
RouteCounty Highway 311
Coordinates34.34944, -96.11045
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length36 ft (11 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic320 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$294,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Forrest Hill over Sand Creek built?

It was built in 1937, making it 88 years old in 2025.

What condition is Forrest Hill over Sand 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 February 2024.

How much traffic does Forrest Hill over Sand Creek carry?

About 200 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Forrest Hill over Sand Creek?

The structure is 36 ft (11 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Forrest Hill over Sand Creek?

It is owned by the County Highway Agency.