US Bridges

Dam Rd. over Shawnee Lake Canal

FairPosted for load

Pottawatomie County, Oklahoma · 2. N 3. W Bethel Acres · Structure no. 199700000000000

Built
1981
44 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
141 ft
3 main spans
Daily traffic
175
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dam Rd. over Shawnee Lake Canal is a steel stringer/multi-beam or girder carrying Dam Rd. over Shawnee Lake Canal in Pottawatomie County, Oklahoma. It was built in 1981, so it is 44 years old, younger 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 175 vehicles a day, roughly 5% of them trucks, projected to reach 280 by 2042. The structure is 141 ft (43 m) long and 27 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesDam Rd.
CrossesShawnee Lake Canal
Location2. N 3. W Bethel Acres
RouteCity Street 5498
CountyPottawatomie County
StateOklahoma
Coordinates35.34922, -97.07092
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26 US tons
Inventory rating15 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length141 ft (43 m)
Longest span70 ft (21.3 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2022)
Projected traffic280 by 2042
Trucks5%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$651,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dam Rd. over Shawnee Lake Canal built?

It was built in 1981, making it 44 years old in 2025.

What condition is Dam Rd. over Shawnee Lake Canal 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 August 2024.

How much traffic does Dam Rd. over Shawnee Lake Canal carry?

About 175 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Dam Rd. over Shawnee Lake Canal?

The structure is 141 ft (43 m) long with a longest span of 70 ft (21.3 m) and a deck 27 ft wide.

Who owns Dam Rd. over Shawnee Lake Canal?

It is owned by the City or Municipal Highway Agency.