US Bridges

N4740 (0148C) over Eagle Pass Creek

PoorPosted for load

Adair County, Oklahoma · 7.1S 3E of Stilwell · Structure no. 182370000000000

Built
1972
53 years old
Condition
Poor
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
280
2022 count
Owner
County
County Highway Agency

About this bridge

N4740 (0148C) over Eagle Pass Creek is a steel stringer/multi-beam or girder carrying N4740 (0148C) over Eagle Pass Creek in Adair County, Oklahoma. It was built in 1972, so it is 53 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 4 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: posted for load restriction.

It carries about 280 vehicles a day, roughly 15% of them trucks, projected to reach 448 by 2042. The structure is 62 ft (18.9 m) long and 26 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesN4740 (0148C)
CrossesEagle Pass Creek
Location7.1S 3E of Stilwell
RouteCounty Highway N4740
Coordinates35.70972, -94.5772
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span57 ft (17.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2022)
Projected traffic448 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$387,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4740 (0148C) over Eagle Pass Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is N4740 (0148C) over Eagle Pass 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 July 2023.

How much traffic does N4740 (0148C) over Eagle Pass Creek carry?

About 280 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N4740 (0148C) over Eagle Pass Creek?

The structure is 62 ft (18.9 m) long with a longest span of 57 ft (17.4 m) and a deck 26 ft wide.

Who owns N4740 (0148C) over Eagle Pass Creek?

It is owned by the County Highway Agency.