US Bridges

N3939(BOULDER Ave) over B.N. R.R. under

Fair

Tulsa County, Oklahoma · 100 S. Boulder Ave. · Structure no. 310120000000000

Built
2013
12 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
290 ft
3 main spans
Daily traffic
600
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N3939(BOULDER Ave) over B.N. R.R. under is a steel stringer/multi-beam or girder carrying N3939(BOULDER Ave) over B.N. R.R. under in Tulsa County, Oklahoma. It was built in 2013, so it is 12 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 600 vehicles a day, roughly 5% of them trucks, projected to reach 960 by 2042. The structure is 290 ft (88.4 m) long and 79 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesN3939(BOULDER Ave)
CrossesB.N. R.R. under
Location100 S. Boulder Ave.
RouteCity Street N3939
CountyTulsa County
StateOklahoma
Coordinates36.155, -95.99361
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length290 ft (88.4 m)
Longest span136 ft (41.5 m)
Deck width79 ft (24 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2022)
Projected traffic960 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N3939(BOULDER Ave) over B.N. R.R. under built?

It was built in 2013, making it 12 years old in 2025.

What condition is N3939(BOULDER Ave) over B.N. R.R. under 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 November 2023.

How much traffic does N3939(BOULDER Ave) over B.N. R.R. under carry?

About 600 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is N3939(BOULDER Ave) over B.N. R.R. under?

The structure is 290 ft (88.4 m) long with a longest span of 136 ft (41.5 m) and a deck 79 ft wide.

Who owns N3939(BOULDER Ave) over B.N. R.R. under?

It is owned by the City or Municipal Highway Agency.