US Bridges

N3130 over Black Bear Creek

PoorClosed to traffic

Noble County, Oklahoma · 5.1N 1.7E of Lucien · Structure no. 003940000000000

Built
1914
111 years old
Condition
Poor
inspected January 2023
Type
Truss - Thru
Steel
Length
106 ft
1 main span
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

N3130 over Black Bear Creek is a steel truss - thru carrying N3130 over Black Bear Creek in Noble County, Oklahoma. It was built in 1914, so it is 111 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 0 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 24 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2042. The structure is 106 ft (32.3 m) long and 14 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN3130
CrossesBlack Bear Creek
Location5.1N 1.7E of Lucien
RouteCounty Highway N3130
Coordinates36.34932, -97.42597
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck0 FailedOut of service and beyond corrective action.
Superstructure0 FailedOut of service and beyond corrective action.
Substructure0 FailedOut of service and beyond corrective action.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+3 approach)
Design loadUnknown
Structure length106 ft (32.3 m)
Longest span60 ft (18.3 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic38 by 2042
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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$260,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3130 over Black Bear Creek built?

It was built in 1914, making it 111 years old in 2025.

What condition is N3130 over Black Bear Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2023.

How much traffic does N3130 over Black Bear Creek carry?

About 24 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3130 over Black Bear Creek?

The structure is 106 ft (32.3 m) long with a longest span of 60 ft (18.3 m) and a deck 14 ft wide.

Who owns N3130 over Black Bear Creek?

It is owned by the County Highway Agency.