US Bridges

N4622 over Spring Branch Creek

FairPosted for load

Delaware County, Oklahoma · Main St. 0.1 N.US59 · Structure no. 026750000000000

Built
1930
95 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
31 ft
2 main spans
Daily traffic
450
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N4622 over Spring Branch Creek is a concrete slab carrying N4622 over Spring Branch Creek in Delaware County, Oklahoma. It was built in 1930, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 450 vehicles a day, roughly 5% of them trucks, projected to reach 720 by 2042. The structure is 31 ft (9.3 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesN4622
CrossesSpring Branch Creek
LocationMain St. 0.1 N.US59
RouteCity Street N4622
CountyDelaware County
StateOklahoma
Coordinates36.59512, -94.76943
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating21.6 US tons
Inventory rating12.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length31 ft (9.3 m)
Longest span14 ft (4.2 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2022)
Projected traffic720 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$270,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4622 over Spring Branch Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is N4622 over Spring Branch 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 2024.

How much traffic does N4622 over Spring Branch Creek carry?

About 450 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N4622 over Spring Branch Creek?

The structure is 31 ft (9.3 m) long with a longest span of 14 ft (4.2 m) and a deck 28 ft wide.

Who owns N4622 over Spring Branch Creek?

It is owned by the City or Municipal Highway Agency.