US Bridges

SH21B Sbnd Ramp over Pine Creek

Fair

El Paso County, Colorado · S. Bnd. Powers Blvd. · Structure no. I-17-NV

Built
2005
20 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Prestressed Concrete
Length
153 ft
1 main span
Daily traffic
18,500
2020 count
Owner
State
State Highway Agency

About this bridge

SH21B Sbnd Ramp over Pine Creek is a prestressed concrete tee beam carrying SH21B Sbnd Ramp over Pine Creek in El Paso County, Colorado. It was built in 2005, so it is 20 years old, younger 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 18,500 vehicles a day, roughly 3% of them trucks, projected to reach 27,195 by 2040. The structure is 153 ft (46.5 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH21B Sbnd Ramp
CrossesPine Creek
LocationS. Bnd. Powers Blvd.
RouteState Highway 21B
Coordinates38.97534, -104.75297
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating39.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length153 ft (46.5 m)
Longest span150 ft (45.7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,500 (2020)
Projected traffic27,195 by 2040
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH21B Sbnd Ramp over Pine Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is SH21B Sbnd Ramp over Pine 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 January 2024.

How much traffic does SH21B Sbnd Ramp over Pine Creek carry?

About 18,500 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is SH21B Sbnd Ramp over Pine Creek?

The structure is 153 ft (46.5 m) long with a longest span of 150 ft (45.7 m) and a deck 43 ft wide.

Who owns SH21B Sbnd Ramp over Pine Creek?

It is owned by the State Highway Agency.