US Bridges

3530C over Little Sandy Creek

Good

Johnston County, Oklahoma · 3 N & 3 W of Filmore · Structure no. 200660000000000

Built
1982
43 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
370
2022 count
Owner
County
County Highway Agency

About this bridge

3530C over Little Sandy Creek is a concrete culvert carrying 3530C over Little Sandy Creek in Johnston County, Oklahoma. It was built in 1982, so it is 43 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.

It carries about 370 vehicles a day, roughly 15% of them trucks, projected to reach 592 by 2042. The structure is 37 ft (11.2 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries3530C
CrossesLittle Sandy Creek
Location3 N & 3 W of Filmore
RouteCounty Highway 3530C
Coordinates34.31679, -96.54884
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating68 US tons
Inventory rating41 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.2 m)
Longest span11 ft (3.5 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2022)
Projected traffic592 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 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 3530C over Little Sandy Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is 3530C over Little Sandy 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 May 2023.

How much traffic does 3530C over Little Sandy Creek carry?

About 370 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 3530C over Little Sandy Creek?

The structure is 37 ft (11.2 m) long with a longest span of 11 ft (3.5 m) and a deck 31 ft wide.

Who owns 3530C over Little Sandy Creek?

It is owned by the County Highway Agency.