US Bridges

S.H. 100 over Arkansas River

Fair

Muskogee County, Oklahoma · Sequoyah C/L · Structure no. 176110000000000

Built
1969
56 years old
Condition
Fair
inspected July 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
1,928 ft
3 main spans
Daily traffic
3,300
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 100 over Arkansas River is a steel continuous girder and floorbeam system carrying S.H. 100 over Arkansas River in Muskogee County, Oklahoma. It was built in 1969, so it is 56 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.

It carries about 3,300 vehicles a day, roughly 15% of them trucks, projected to reach 5,280 by 2042. The structure is 1,928 ft (587.7 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesS.H. 100
CrossesArkansas River
LocationSequoyah C/L
RouteState Highway 100
CountyMuskogee County
StateOklahoma
Coordinates35.52072, -95.12358
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.5 US tons
Inventory rating32.6 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+11 approach)
Design loadHS 20
Structure length1,928 ft (587.7 m)
Longest span334 ft (101.8 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2022)
Projected traffic5,280 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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$16.9 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was S.H. 100 over Arkansas River built?

It was built in 1969, making it 56 years old in 2025.

What condition is S.H. 100 over Arkansas River 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 S.H. 100 over Arkansas River carry?

About 3,300 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 100 over Arkansas River?

The structure is 1,928 ft (587.7 m) long with a longest span of 334 ft (101.8 m) and a deck 35 ft wide.

Who owns S.H. 100 over Arkansas River?

It is owned by the State Highway Agency.