US Bridges

N2842 First St. over Congo Creek

Fair

Grady County, Oklahoma · Between Florida-Missouri · Structure no. 287250000000000

Built
1960
65 years old, rebuilt 2006
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
35 ft
4 main spans
Daily traffic
700
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N2842 First St. over Congo Creek is a concrete culvert carrying N2842 First St. over Congo Creek in Grady County, Oklahoma. It was built in 1960 and reconstructed in 2006, so it is 65 years old, older 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 700 vehicles a day, roughly 10% of them trucks, projected to reach 1,120 by 2042. The structure is 35 ft (10.7 m) long and 38 ft wide.

Location

Open in Google Maps
CarriesN2842 First St.
CrossesCongo Creek
LocationBetween Florida-Missouri
RouteCity Street N2842
CountyGrady County
StateOklahoma
Coordinates35.04003, -97.9326
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 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 rating41 US tons
Inventory rating24 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span8 ft (2.4 m)
Deck width38 ft (11.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2022)
Projected traffic1,120 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N2842 First St. over Congo Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2006.

What condition is N2842 First St. over Congo 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 2023.

How much traffic does N2842 First St. over Congo Creek carry?

About 700 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N2842 First St. over Congo Creek?

The structure is 35 ft (10.7 m) long with a longest span of 8 ft (2.4 m) and a deck 38 ft wide.

Who owns N2842 First St. over Congo Creek?

It is owned by the City or Municipal Highway Agency.