US Bridges

N3946 (n Iroquois) over Valley View Creek

FairPosted for load

Tulsa County, Oklahoma · 4600 N Iroq. · Structure no. 194390000000000

Built
1978
47 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
65 ft
2 main spans
Daily traffic
100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N3946 (n Iroquois) over Valley View Creek is a prestressed concrete tee beam carrying N3946 (n Iroquois) over Valley View Creek in Tulsa County, Oklahoma. It was built in 1978, so it is 47 years old, younger 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 5 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2042. The structure is 65 ft (19.9 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesN3946 (n Iroquois)
CrossesValley View Creek
Location4600 N Iroq.
RouteCity Street N3946
CountyTulsa County
StateOklahoma
Coordinates36.22186, -95.98302
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33 US tons
Inventory rating20 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length65 ft (19.9 m)
Longest span33 ft (10 m)
Deck width35 ft (10.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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$406,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3946 (n Iroquois) over Valley View Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is N3946 (n Iroquois) over Valley View 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 March 2023.

How much traffic does N3946 (n Iroquois) over Valley View Creek carry?

About 100 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N3946 (n Iroquois) over Valley View Creek?

The structure is 65 ft (19.9 m) long with a longest span of 33 ft (10 m) and a deck 35 ft wide.

Who owns N3946 (n Iroquois) over Valley View Creek?

It is owned by the City or Municipal Highway Agency.