US Bridges

NB Academy Blvd over B ST US Army RR

Fair

El Paso County, Colorado · 1.2 MI W of I25 · Structure no. EPC4099-00.67R

Built
1978
47 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
482 ft
6 main spans
Daily traffic
21,353
2021 count
Owner
County
County Highway Agency

About this bridge

NB Academy Blvd over B ST US Army RR is a steel continuous stringer/multi-beam or girder carrying NB Academy Blvd over B ST US Army RR in El Paso County, Colorado. It was built in 1978, so it is 47 years old, older than the Colorado average of 42.2 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 21,353 vehicles a day, roughly 9% of them trucks, projected to reach 27,973 by 2041. The structure is 482 ft (147 m) long and 52 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNB Academy Blvd
CrossesB ST US Army RR
Location1.2 MI W of I25
RouteCounty Highway 0
CountyEl Paso County
StateColorado
Coordinates38.76583, -104.79833
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating34.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length482 ft (147 m)
Longest span126 ft (38.4 m)
Deck width52 ft (15.8 m)
Roadway width50 ft (15.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,353 (2021)
Projected traffic27,973 by 2041
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NB Academy Blvd over B ST US Army RR built?

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

What condition is NB Academy Blvd over B ST US Army RR 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 2024.

How much traffic does NB Academy Blvd over B ST US Army RR carry?

About 21,353 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is NB Academy Blvd over B ST US Army RR?

The structure is 482 ft (147 m) long with a longest span of 126 ft (38.4 m) and a deck 52 ft wide.

Who owns NB Academy Blvd over B ST US Army RR?

It is owned by the County Highway Agency.