US Bridges

Austin Bluffs Pkwy over Union Blvd/Tgap Basin

Good

El Paso County, Colorado · Austin Bluffs Pkwy/Union · Structure no. CSG-I.40-12.30

Built
2009
16 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
595 ft
4 main spans
Daily traffic
46,425
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Austin Bluffs Pkwy over Union Blvd/Tgap Basin is a prestressed concrete continuous box beam or girders - single or spread carrying Austin Bluffs Pkwy over Union Blvd/Tgap Basin in El Paso County, Colorado. It was built in 2009, so it is 16 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 46,425 vehicles a day, roughly 5% of them trucks, projected to reach 60,817 by 2041. The structure is 595 ft (181.4 m) long and 97 ft wide.

CarriesAustin Bluffs Pkwy
CrossesUnion Blvd/Tgap Basin
LocationAustin Bluffs Pkwy/Union
RouteCity Street 0
Coordinates38.88898, -104.7864
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length595 ft (181.4 m)
Longest span206 ft (62.8 m)
Deck width97 ft (29.6 m)
Roadway width94 ft (28.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,425 (2021)
Projected traffic60,817 by 2041
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Austin Bluffs Pkwy over Union Blvd/Tgap Basin built?

It was built in 2009, making it 16 years old in 2025.

What condition is Austin Bluffs Pkwy over Union Blvd/Tgap Basin 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 April 2024.

How much traffic does Austin Bluffs Pkwy over Union Blvd/Tgap Basin carry?

About 46,425 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Austin Bluffs Pkwy over Union Blvd/Tgap Basin?

The structure is 595 ft (181.4 m) long with a longest span of 206 ft (62.8 m) and a deck 97 ft wide.

Who owns Austin Bluffs Pkwy over Union Blvd/Tgap Basin?

It is owned by the City or Municipal Highway Agency.