US Bridges

N3310 over Captain Creek

Fair

Lincoln County, Oklahoma · 1 S 6 W of Ross · Structure no. 215540000000000

Built
1987
38 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
375
2022 count
Owner
County
County Highway Agency

About this bridge

N3310 over Captain Creek is a prestressed concrete tee beam carrying N3310 over Captain Creek in Lincoln 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.

It carries about 375 vehicles a day, roughly 15% of them trucks, projected to reach 600 by 2042. The structure is 55 ft (16.8 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN3310
CrossesCaptain Creek
Location1 S 6 W of Ross
RouteCounty Highway N3310
CountyLincoln County
StateOklahoma
Coordinates35.57966, -97.10561
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span55 ft (16.8 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2022)
Projected traffic600 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$369,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3310 over Captain Creek built?

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

What condition is N3310 over Captain 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 April 2024.

How much traffic does N3310 over Captain Creek carry?

About 375 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N3310 over Captain Creek?

The structure is 55 ft (16.8 m) long with a longest span of 55 ft (16.8 m) and a deck 28 ft wide.

Who owns N3310 over Captain Creek?

It is owned by the County Highway Agency.