US Bridges

96th Street over BNSF RR

Good

Boulder County, Colorado · 250 Ft. N of CR 19 · Structure no. LOUIS-96TH-BNSF

Built
2006
19 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
252 ft
4 main spans
Daily traffic
15,821
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

96th Street over BNSF RR is a prestressed concrete box beam or girders - multiple carrying 96th Street over BNSF RR in Boulder County, Colorado. It was built in 2006, so it is 19 years old, younger than the Colorado average of 42.2 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 15,821 vehicles a day, roughly 7% of them trucks, projected to reach 18,985 by 2043. The structure is 252 ft (76.8 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries96th Street
CrossesBNSF RR
Location250 Ft. N of CR 19
RouteCity Street 0
Coordinates39.96711, -105.12714
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length252 ft (76.8 m)
Longest span94 ft (28.8 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,821 (2023)
Projected traffic18,985 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 96th Street over BNSF RR built?

It was built in 2006, making it 19 years old in 2025.

What condition is 96th Street over BNSF RR 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 2025.

How much traffic does 96th Street over BNSF RR carry?

About 15,821 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is 96th Street over BNSF RR?

The structure is 252 ft (76.8 m) long with a longest span of 94 ft (28.8 m) and a deck 46 ft wide.

Who owns 96th Street over BNSF RR?

It is owned by the City or Municipal Highway Agency.