US Bridges

N3810 over J-N Creek

Good

Bryan County, Oklahoma · 2.5S of Blue · Structure no. 303000000000000

Built
2012
13 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N3810 over J-N Creek is a prestressed concrete stringer/multi-beam or girder carrying N3810 over J-N Creek in Bryan County, Oklahoma. It was built in 2012, so it is 13 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 8 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 93 ft (28.3 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN3810
CrossesJ-N Creek
Location2.5S of Blue
RouteCounty Highway N3810
Coordinates33.96333, -96.23361
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length93 ft (28.3 m)
Longest span91 ft (27.6 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 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N3810 over J-N Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is N3810 over J-N 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 J-N Creek carry?

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

How long is N3810 over J-N Creek?

The structure is 93 ft (28.3 m) long with a longest span of 91 ft (27.6 m) and a deck 29 ft wide.

Who owns N3810 over J-N Creek?

It is owned by the County Highway Agency.