US Bridges

SH 225 Ramp over Pedestrian Underpass

Fair

Arapahoe County, Colorado · In Aurora · Structure no. F-17-KT

Built
2003
22 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
52,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 225 Ramp over Pedestrian Underpass is a prestressed concrete box beam or girders - multiple carrying SH 225 Ramp over Pedestrian Underpass in Arapahoe County, Colorado. It was built in 2003, so it is 22 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 52,000 vehicles a day, roughly 3% of them trucks, projected to reach 57,720 by 2040. The structure is 57 ft (17.5 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 225 Ramp
CrossesPedestrian Underpass
LocationIn Aurora
RouteState Highway 83A
CountyArapahoe County
StateColorado
Coordinates39.65856, -104.84749
Functional classUrban Other Principal Arterial

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.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating51.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length57 ft (17.5 m)
Longest span54 ft (16.5 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,000 (2020)
Projected traffic57,720 by 2040
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 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 SH 225 Ramp over Pedestrian Underpass built?

It was built in 2003, making it 22 years old in 2025.

What condition is SH 225 Ramp over Pedestrian Underpass 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 May 2023.

How much traffic does SH 225 Ramp over Pedestrian Underpass carry?

About 52,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is SH 225 Ramp over Pedestrian Underpass?

The structure is 57 ft (17.5 m) long with a longest span of 54 ft (16.5 m) and a deck 32 ft wide.

Who owns SH 225 Ramp over Pedestrian Underpass?

It is owned by the State Highway Agency.