US Bridges

N4790 over Camp Creek

PoorPosted for load

Sequoyah County, Oklahoma · 3 W. & 1.3 S Moffett · Structure no. 281860000000000

Built
2002
23 years old
Condition
Poor
inspected June 2023
Type
Culvert
Steel
Length
26 ft
3 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

N4790 over Camp Creek is a steel culvert carrying N4790 over Camp Creek in Sequoyah County, Oklahoma. It was built in 2002, so it is 23 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2042. The structure is 26 ft (7.9 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN4790
CrossesCamp Creek
Location3 W. & 1.3 S Moffett
RouteCounty Highway N4790
Coordinates35.37293, -94.49558
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.1 US tons
Inventory rating24 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span7 ft (2 m)
Deck width40 ft (12.2 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic40 by 2042
Trucks10%
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$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was N4790 over Camp Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is N4790 over Camp Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does N4790 over Camp Creek carry?

About 25 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4790 over Camp Creek?

The structure is 26 ft (7.9 m) long with a longest span of 7 ft (2 m) and a deck 40 ft wide.

Who owns N4790 over Camp Creek?

It is owned by the County Highway Agency.