US Bridges

N3810 over Rock Creek

Good

Creek County, Oklahoma · 6N 2W of SH33 & I-44 · Structure no. 288230000000000

Built
1990
35 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
123 ft
3 main spans
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

N3810 over Rock Creek is a prestressed concrete stringer/multi-beam or girder carrying N3810 over Rock Creek in Creek County, Oklahoma. It was built in 1990, so it is 35 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 24 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2042. The structure is 123 ft (37.5 m) long and 29 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesN3810
CrossesRock Creek
Location6N 2W of SH33 & I-44
RouteCounty Highway N3810
Coordinates36.07567, -96.22608
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating31.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span50 ft (15.2 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic38 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$568,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3810 over Rock Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is N3810 over Rock 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 2024.

How much traffic does N3810 over Rock Creek carry?

About 24 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3810 over Rock Creek?

The structure is 123 ft (37.5 m) long with a longest span of 50 ft (15.2 m) and a deck 29 ft wide.

Who owns N3810 over Rock Creek?

It is owned by the County Highway Agency.