US Bridges

N3604 over Cotton Creek

FairPosted for load

Pontotoc County, Oklahoma · 1.5 S & .2 E of Francis · Structure no. 214570000000000

Built
1987
38 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

N3604 over Cotton Creek is a steel stringer/multi-beam or girder carrying N3604 over Cotton Creek in Pontotoc County, Oklahoma. It was built in 1987, so it is 38 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 320 by 2042. The structure is 30 ft (9 m) long and 19 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesN3604
CrossesCotton Creek
Location1.5 S & .2 E of Francis
RouteCounty Highway N3604
CountyPontotoc County
StateOklahoma
Coordinates34.85296, -96.58926
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25 US tons
Inventory rating15 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9 m)
Longest span28 ft (8.6 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.9 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 closed6.8 mi (11 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$265,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3604 over Cotton Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is N3604 over Cotton 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 September 2024.

How much traffic does N3604 over Cotton Creek carry?

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

How long is N3604 over Cotton Creek?

The structure is 30 ft (9 m) long with a longest span of 28 ft (8.6 m) and a deck 19 ft wide.

Who owns N3604 over Cotton Creek?

It is owned by the County Highway Agency.