US Bridges

N3000 over Bluff Creek

Fair

Oklahoma County, Oklahoma · 3.9N; 4W of S.H.74/TP · Structure no. 291630000000000

Built
2009
16 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
105 ft
1 main span
Daily traffic
2,300
2022 count
Owner
County
County Highway Agency

About this bridge

N3000 over Bluff Creek is a prestressed concrete stringer/multi-beam or girder carrying N3000 over Bluff Creek in Oklahoma County, Oklahoma. It was built in 2009, so it is 16 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 2,300 vehicles a day, roughly 10% of them trucks, projected to reach 3,680 by 2042. The structure is 105 ft (32 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesN3000
CrossesBluff Creek
Location3.9N; 4W of S.H.74/TP
RouteCounty Highway N3000
CountyOklahoma County
StateOklahoma
Coordinates35.66611, -97.65639
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length105 ft (32 m)
Longest span105 ft (32 m)
Deck width34 ft (10.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2022)
Projected traffic3,680 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$739,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3000 over Bluff Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is N3000 over Bluff 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 July 2023.

How much traffic does N3000 over Bluff Creek carry?

About 2,300 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3000 over Bluff Creek?

The structure is 105 ft (32 m) long with a longest span of 105 ft (32 m) and a deck 34 ft wide.

Who owns N3000 over Bluff Creek?

It is owned by the County Highway Agency.