US Bridges

N1980 over Creek

Good

Beckham County, Oklahoma · 5.5W 2.9N JCT SH34/I-40B · Structure no. 312510000000000

Built
2016
9 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N1980 over Creek is a concrete culvert carrying N1980 over Creek in Beckham County, Oklahoma. It was built in 2016, so it is 9 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 36 ft (11 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN1980
CrossesCreek
Location5.5W 2.9N JCT SH34/I-40B
RouteCounty Highway N1980
Coordinates35.46389, -99.4525
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length36 ft (11 m)
Longest span11 ft (3.4 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 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 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 proposedNone recorded
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N1980 over Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is N1980 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 2024.

How much traffic does N1980 over Creek carry?

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

How long is N1980 over Creek?

The structure is 36 ft (11 m) long with a longest span of 11 ft (3.4 m) and a deck 44 ft wide.

Who owns N1980 over Creek?

It is owned by the County Highway Agency.