US Bridges

N4595 over Dry Creek

GoodPosted for load

Cherokee County, Oklahoma · 1.6 W 1.6 S of SH 100 · Structure no. 213730000000000

Built
1987
38 years old, rebuilt 2019
Condition
Good
inspected July 2024
Type
Culvert
Steel
Length
27 ft
6 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

N4595 over Dry Creek is a steel culvert carrying N4595 over Dry Creek in Cherokee County, Oklahoma. It was built in 1987 and reconstructed in 2019, so it is 38 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2042. The structure is 27 ft (8.2 m) long and 24 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesN4595
CrossesDry Creek
Location1.6 W 1.6 S of SH 100
RouteCounty Highway N4595
Coordinates35.74084, -94.83503
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating39.2 US tons
Inventory rating23.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans6
Design loadHL 93
Structure length27 ft (8.2 m)
Longest span4 ft (1.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic80 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4595 over Dry Creek built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 2019.

What condition is N4595 over Dry Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does N4595 over Dry Creek carry?

About 50 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4595 over Dry Creek?

The structure is 27 ft (8.2 m) long with a longest span of 4 ft (1.2 m) and a deck 24 ft wide.

Who owns N4595 over Dry Creek?

It is owned by the County Highway Agency.