US Bridges

N3230 over Bear Creek

Fair

Logan County, Oklahoma · .3S of Meridian · Structure no. 256390000000000

Built
2001
24 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
158 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N3230 over Bear Creek is a prestressed concrete tee beam carrying N3230 over Bear Creek in Logan County, Oklahoma. It was built in 2001, so it is 24 years old, younger 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 15% of them trucks, projected to reach 160 by 2042. The structure is 158 ft (48.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN3230
CrossesBear Creek
Location.3S of Meridian
RouteCounty Highway N3230
Coordinates35.83844, -97.24699
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length158 ft (48.2 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was N3230 over Bear Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is N3230 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 July 2024.

How much traffic does N3230 over Bear Creek carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N3230 over Bear Creek?

The structure is 158 ft (48.2 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns N3230 over Bear Creek?

It is owned by the County Highway Agency.