US Bridges

N4742 (0134C) over Baron Fork Creek

FairPosted for load

Adair County, Oklahoma · 5.7S of Westville · Structure no. 109560000000000

Built
1948
77 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
281 ft
4 main spans
Daily traffic
222
2022 count
Owner
County
County Highway Agency

About this bridge

N4742 (0134C) over Baron Fork Creek is a steel stringer/multi-beam or girder carrying N4742 (0134C) over Baron Fork Creek in Adair County, Oklahoma. It was built in 1948, so it is 77 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 222 vehicles a day, roughly 15% of them trucks, projected to reach 355 by 2042. The structure is 281 ft (85.6 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesN4742 (0134C)
CrossesBaron Fork Creek
Location5.7S of Westville
RouteCounty Highway N4742
Coordinates35.90875, -94.56209
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25 US tons
Inventory rating15 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length281 ft (85.6 m)
Longest span70 ft (21.3 m)
Deck width24 ft (7.2 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic222 (2022)
Projected traffic355 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$860,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4742 (0134C) over Baron Fork Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is N4742 (0134C) over Baron Fork 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 July 2023.

How much traffic does N4742 (0134C) over Baron Fork Creek carry?

About 222 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N4742 (0134C) over Baron Fork Creek?

The structure is 281 ft (85.6 m) long with a longest span of 70 ft (21.3 m) and a deck 24 ft wide.

Who owns N4742 (0134C) over Baron Fork Creek?

It is owned by the County Highway Agency.