US Bridges

I 25 Ml Nbnd over Ellston Road

Fair

El Paso County, Colorado · In Colorado Springs · Structure no. I-17-DP

Built
1959
66 years old, rebuilt 2006
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete Continuous
Length
155 ft
3 main spans
Daily traffic
59,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml Nbnd over Ellston Road is a concrete continuous tee beam carrying I 25 Ml Nbnd over Ellston Road in El Paso County, Colorado. It was built in 1959 and reconstructed in 2006, so it is 66 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 59,000 vehicles a day, roughly 7% of them trucks, projected to reach 72,570 by 2040. The structure is 155 ft (47.2 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Ml Nbnd
CrossesEllston Road
LocationIn Colorado Springs
RouteInterstate 25A
Coordinates38.88428, -104.83555
Functional classUrban Principal Arterial - Interstate

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.9 US tons
Inventory rating43.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckOther
Main spans3
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span61 ft (18.6 m)
Deck width47 ft (14.2 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,000 (2020)
Projected traffic72,570 by 2040
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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$285,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I 25 Ml Nbnd over Ellston Road built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2006.

What condition is I 25 Ml Nbnd over Ellston Road 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 November 2024.

How much traffic does I 25 Ml Nbnd over Ellston Road carry?

About 59,000 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is I 25 Ml Nbnd over Ellston Road?

The structure is 155 ft (47.2 m) long with a longest span of 61 ft (18.6 m) and a deck 47 ft wide.

Who owns I 25 Ml Nbnd over Ellston Road?

It is owned by the State Highway Agency.