US Bridges

Spwy Br Ok SH100 over Tenkiller Lake on Il. R.

PoorPosted for load

Sequoyah County, Oklahoma · 8 MI NE of Gore · Structure no. CEPSWTOKTENKILL

Built
1953
72 years old
Condition
Poor
inspected November 2024
Type
Girder and Floorbeam System
Steel
Length
600 ft
10 main spans
Daily traffic
940
2023 count
Owner
Federal
Corps of Engineers (Civil)

About this bridge

Spwy Br Ok SH100 over Tenkiller Lake on Il. R. is a steel girder and floorbeam system carrying Spwy Br Ok SH100 over Tenkiller Lake on Il. R. in Sequoyah County, Oklahoma. It was built in 1953, so it is 72 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 3 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 940 vehicles a day, roughly 20% of them trucks, projected to reach 1,135 by 2044. The structure is 600 ft (182.8 m) long and 32 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesSpwy Br Ok SH100
CrossesTenkiller Lake on Il. R.
Location8 MI NE of Gore
RouteState Highway 100
Coordinates35.59538, -95.04759
Functional classRural Minor Arterial

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.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.1 US tons
Inventory rating16.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans10
Design loadH 20
Structure length600 ft (182.8 m)
Longest span60 ft (18.2 m)
Deck width32 ft (9.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic940 (2023)
Projected traffic1,135 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRelief for waterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCorps of Engineers (Civil)
Maintained byCorps of Engineers (Civil)
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$60.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Spwy Br Ok SH100 over Tenkiller Lake on Il. R. built?

It was built in 1953, making it 72 years old in 2025.

What condition is Spwy Br Ok SH100 over Tenkiller Lake on Il. R. 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 November 2024.

How much traffic does Spwy Br Ok SH100 over Tenkiller Lake on Il. R. carry?

About 940 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Spwy Br Ok SH100 over Tenkiller Lake on Il. R.?

The structure is 600 ft (182.8 m) long with a longest span of 60 ft (18.2 m) and a deck 32 ft wide.

Who owns Spwy Br Ok SH100 over Tenkiller Lake on Il. R.?

It is owned by the Corps of Engineers (Civil).