US Bridges

U.S. 59 over Shell Branch Creek

Fair

Adair County, Oklahoma · 7.0 Mi.N.Jct.Sh 51 · Structure no. 138330000000000

Built
1957
68 years old, rebuilt 2011
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
142 ft
3 main spans
Daily traffic
3,800
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 59 over Shell Branch Creek is a steel stringer/multi-beam or girder carrying U.S. 59 over Shell Branch Creek in Adair County, Oklahoma. It was built in 1957 and reconstructed in 2011, so it is 68 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 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 3,800 vehicles a day, roughly 16% of them trucks, projected to reach 6,080 by 2042. The structure is 142 ft (43.3 m) long and 33 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

CarriesU.S. 59
CrossesShell Branch Creek
Location7.0 Mi.N.Jct.Sh 51
RouteU.S. Route 59
Coordinates35.92379, -94.61629
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating44.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length142 ft (43.3 m)
Longest span60 ft (18.3 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2022)
Projected traffic6,080 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$1.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 59 over Shell Branch Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2011.

What condition is U.S. 59 over Shell Branch 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 April 2024.

How much traffic does U.S. 59 over Shell Branch Creek carry?

About 3,800 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is U.S. 59 over Shell Branch Creek?

The structure is 142 ft (43.3 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.

Who owns U.S. 59 over Shell Branch Creek?

It is owned by the State Highway Agency.