US Bridges

N3100 over Creek

Good

Carter County, Oklahoma · 4.2 MI N of US 70 & SH76N · Structure no. 024770000000000

Built
1992
33 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
260
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N3100 over Creek is a concrete culvert carrying N3100 over Creek in Carter County, Oklahoma. It was built in 1992, so it is 33 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 260 vehicles a day, roughly 5% of them trucks, projected to reach 416 by 2042. The structure is 21 ft (6.4 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN3100
CrossesCreek
Location4.2 MI N of US 70 & SH76N
RouteCity Street N3100
Coordinates34.23276, -97.47495
Functional classUrban 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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 US tons
Inventory rating24 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 width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2022)
Projected traffic416 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3100 over Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is N3100 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 March 2023.

How much traffic does N3100 over Creek carry?

About 260 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N3100 over Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 42 ft wide.

Who owns N3100 over Creek?

It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.