US Bridges

I 25 Service RD over East Plum Creek SR

Fair

Douglas County, Colorado · 6.5 Mi. N. of SH 105 · Structure no. H-17-AJ

Built
1964
61 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
87 ft
3 main spans
Daily traffic
374
2024 count
Owner
State
State Highway Agency

About this bridge

I 25 Service RD over East Plum Creek SR is a steel stringer/multi-beam or girder carrying I 25 Service RD over East Plum Creek SR in Douglas County, Colorado. It was built in 1964, so it is 61 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 374 vehicles a day, roughly 7% of them trucks, projected to reach 501 by 2044. The structure is 87 ft (26.5 m) long and 32 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesI 25 Service RD
CrossesEast Plum Creek SR
Location6.5 Mi. N. of SH 105
RouteInterstate 25A
CountyDouglas County
StateColorado
Coordinates39.18511, -104.84988
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.5 US tons
Inventory rating27.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span39 ft (11.9 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic374 (2024)
Projected traffic501 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$151,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I 25 Service RD over East Plum Creek SR built?

It was built in 1964, making it 61 years old in 2025.

What condition is I 25 Service RD over East Plum Creek SR 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 February 2025.

How much traffic does I 25 Service RD over East Plum Creek SR carry?

About 374 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is I 25 Service RD over East Plum Creek SR?

The structure is 87 ft (26.5 m) long with a longest span of 39 ft (11.9 m) and a deck 32 ft wide.

Who owns I 25 Service RD over East Plum Creek SR?

It is owned by the State Highway Agency.