US Bridges

N3510 over Spring Brook Creek

Good

Pontotoc County, Oklahoma · .4 N & 1 E of Pickett · Structure no. 248470000000000

Built
1998
27 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N3510 over Spring Brook Creek is a prestressed concrete stringer/multi-beam or girder carrying N3510 over Spring Brook Creek in Pontotoc County, Oklahoma. It was built in 1998, so it is 27 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 103 ft (31.4 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesN3510
CrossesSpring Brook Creek
Location.4 N & 1 E of Pickett
RouteCounty Highway N3510
Coordinates34.78563, -96.75715
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span100 ft (30.5 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$516,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3510 over Spring Brook Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is N3510 over Spring Brook 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 October 2024.

How much traffic does N3510 over Spring Brook Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3510 over Spring Brook Creek?

The structure is 103 ft (31.4 m) long with a longest span of 100 ft (30.5 m) and a deck 29 ft wide.

Who owns N3510 over Spring Brook Creek?

It is owned by the County Highway Agency.