US Bridges

N4625 (sumac St) over Elm Creek

Good

Delaware County, Oklahoma · Sumac St. S of 18th St. · Structure no. 247600000000000

Built
1995
30 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N4625 (sumac St) over Elm Creek is a concrete culvert carrying N4625 (sumac St) over Elm Creek in Delaware County, Oklahoma. It was built in 1995, so it is 30 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 500 vehicles a day, roughly 5% of them trucks, projected to reach 800 by 2042. The structure is 26 ft (7.8 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN4625 (sumac St)
CrossesElm Creek
LocationSumac St. S of 18th St.
RouteCity Street N4625
Coordinates36.57815, -94.76462
Functional classUrban 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.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length26 ft (7.8 m)
Longest span12 ft (3.7 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic800 by 2042
Trucks5%
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

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$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4625 (sumac St) over Elm Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is N4625 (sumac St) over Elm 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 February 2024.

How much traffic does N4625 (sumac St) over Elm Creek carry?

About 500 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N4625 (sumac St) over Elm Creek?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.7 m) and a deck 27 ft wide.

Who owns N4625 (sumac St) over Elm Creek?

It is owned by the City or Municipal Highway Agency.