US Bridges

N2550 over Cache Creek

Fair

Caddo County, Oklahoma · 2.7N of S.H. 19 · Structure no. 290940000000000

Built
2008
17 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
408 ft
4 main spans
Daily traffic
450
2022 count
Owner
County
County Highway Agency

About this bridge

N2550 over Cache Creek is a prestressed concrete stringer/multi-beam or girder carrying N2550 over Cache Creek in Caddo County, Oklahoma. It was built in 2008, so it is 17 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 450 vehicles a day, roughly 10% of them trucks, projected to reach 720 by 2042. The structure is 408 ft (124.4 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesN2550
CrossesCache Creek
Location2.7N of S.H. 19
RouteCounty Highway N2550
CountyCaddo County
StateOklahoma
Coordinates34.93804, -98.44439
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78.2 US tons
Inventory rating34.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length408 ft (124.4 m)
Longest span102 ft (31.1 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2022)
Projected traffic720 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$2.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was N2550 over Cache Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is N2550 over Cache 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 February 2024.

How much traffic does N2550 over Cache Creek carry?

About 450 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2550 over Cache Creek?

The structure is 408 ft (124.4 m) long with a longest span of 102 ft (31.1 m) and a deck 34 ft wide.

Who owns N2550 over Cache Creek?

It is owned by the County Highway Agency.