US Bridges

N3925 over Coal Creek

Good

Okmulgee County, Oklahoma · 1.0W Henryetta; 1.0N US62 · Structure no. 273440000000000

Built
2005
20 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
44 ft
3 main spans
Daily traffic
600
2022 count
Owner
County
County Highway Agency

About this bridge

N3925 over Coal Creek is a concrete culvert carrying N3925 over Coal Creek in Okmulgee County, Oklahoma. It was built in 2005, so it is 20 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 600 vehicles a day, roughly 10% of them trucks, projected to reach 960 by 2042. The structure is 44 ft (13.3 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN3925
CrossesCoal Creek
Location1.0W Henryetta; 1.0N US62
RouteCounty Highway N3925
Coordinates35.44438, -96.02604
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.1 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length44 ft (13.3 m)
Longest span11 ft (3.4 m)
Deck width42 ft (12.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2022)
Projected traffic960 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$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3925 over Coal Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is N3925 over Coal 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 September 2023.

How much traffic does N3925 over Coal Creek carry?

About 600 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3925 over Coal Creek?

The structure is 44 ft (13.3 m) long with a longest span of 11 ft (3.4 m) and a deck 42 ft wide.

Who owns N3925 over Coal Creek?

It is owned by the County Highway Agency.