US Bridges

N3270 (dobbs Rd.) over Creek

Fair

Cleveland County, Oklahoma · .8 S of SE 89th on Dobbs · Structure no. 281900000000000

Built
2005
20 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
300
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N3270 (dobbs Rd.) over Creek is a prestressed concrete tee beam carrying N3270 (dobbs Rd.) over Creek in Cleveland County, Oklahoma. It was built in 2005, so it is 20 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 300 vehicles a day, roughly 7% of them trucks, projected to reach 480 by 2042. The structure is 40 ft (12.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN3270 (dobbs Rd.)
CrossesCreek
Location.8 S of SE 89th on Dobbs
RouteCounty Highway N3270
Coordinates35.36425, -97.17751
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.5 US tons
Inventory rating42.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.3 m)
Longest span38 ft (11.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic480 by 2042
Trucks7%
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

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$670,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3270 (dobbs Rd.) over Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is N3270 (dobbs Rd.) over 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 2023.

How much traffic does N3270 (dobbs Rd.) over Creek carry?

About 300 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is N3270 (dobbs Rd.) over Creek?

The structure is 40 ft (12.3 m) long with a longest span of 38 ft (11.6 m) and a deck 28 ft wide.

Who owns N3270 (dobbs Rd.) over Creek?

It is owned by the City or Municipal Highway Agency.