US Bridges

N3280 over Cherokee Sandy Creek

Fair

Garvin County, Oklahoma · 2.2 S 3.5 E Pauls Valley · Structure no. 260990000000000

Built
2007
18 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
172 ft
3 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

N3280 over Cherokee Sandy Creek is a prestressed concrete stringer/multi-beam or girder carrying N3280 over Cherokee Sandy Creek in Garvin County, Oklahoma. It was built in 2007, so it is 18 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 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 320 by 2042. The structure is 172 ft (52.4 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN3280
CrossesCherokee Sandy Creek
Location2.2 S 3.5 E Pauls Valley
RouteCounty Highway N3280
Coordinates34.70837, -97.15892
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.4 US tons
Inventory rating31.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length172 ft (52.4 m)
Longest span70 ft (21.3 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic320 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$4.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was N3280 over Cherokee Sandy Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is N3280 over Cherokee Sandy 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 May 2024.

How much traffic does N3280 over Cherokee Sandy Creek carry?

About 200 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3280 over Cherokee Sandy Creek?

The structure is 172 ft (52.4 m) long with a longest span of 70 ft (21.3 m) and a deck 29 ft wide.

Who owns N3280 over Cherokee Sandy Creek?

It is owned by the County Highway Agency.