US Bridges

N2270 over Horse Creek

Fair

Custer County, Oklahoma · 1M E .7 S of 183 & 47 JCT · Structure no. 242950000000000

Built
1995
30 years old
Condition
Fair
inspected September 2024
Type
Girder and Floorbeam System
Steel
Length
20 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

N2270 over Horse Creek is a steel girder and floorbeam system carrying N2270 over Horse Creek in Custer County, Oklahoma. It was built in 1995, so it is 30 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2042. The structure is 20 ft (6.1 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN2270
CrossesHorse Creek
Location1M E .7 S of 183 & 47 JCT
RouteCounty Highway N2270
Coordinates35.74287, -98.95124
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating56 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2270 over Horse Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is N2270 over Horse 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 September 2024.

How much traffic does N2270 over Horse Creek carry?

About 50 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2270 over Horse Creek?

The structure is 20 ft (6.1 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns N2270 over Horse Creek?

It is owned by the County Highway Agency.