US Bridges

N3030 over Bear Creek

Fair

McClain County, Oklahoma · 6S 2W 1.6S of Criner · Structure no. 098540000000000

Built
1942
83 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N3030 over Bear Creek is a concrete culvert carrying N3030 over Bear Creek in McClain County, Oklahoma. It was built in 1942, so it is 83 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 21 ft (6.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN3030
CrossesBear Creek
Location6S 2W 1.6S of Criner
RouteCounty Highway N3030
Coordinates34.86165, -97.60025
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum 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 loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3030 over Bear Creek built?

It was built in 1942, making it 83 years old in 2025.

What condition is N3030 over Bear Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does N3030 over Bear Creek carry?

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

How long is N3030 over Bear Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns N3030 over Bear Creek?

It is owned by the County Highway Agency.