US Bridges

N2830 over Creek

Good

Jefferson County, Oklahoma · .2W of US81 · Structure no. 057730000000000

Built
1938
87 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

N2830 over Creek is a concrete culvert carrying N2830 over Creek in Jefferson County, Oklahoma. It was built in 1938, so it is 87 years old, older 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2042. The structure is 21 ft (6.4 m) long and 38 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesN2830
CrossesCreek
Location.2W of US81
RouteCounty Highway N2830
Coordinates34.00037, -97.94439
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic120 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2830 over Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is N2830 over 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 N2830 over Creek carry?

About 75 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2830 over Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 38 ft wide.

Who owns N2830 over Creek?

It is owned by the County Highway Agency.