US Bridges

SH 115 Ml + US 85 over US 85 Ml

Fair

El Paso County, Colorado · 3.5 MI N of Fort Carson · Structure no. I-17-GO

Built
1971
54 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
222 ft
2 main spans
Daily traffic
34,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 115 Ml + US 85 over US 85 Ml is a concrete continuous box beam or girders - single or spread carrying SH 115 Ml + US 85 over US 85 Ml in El Paso County, Colorado. It was built in 1971, so it is 54 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 34,000 vehicles a day, roughly 3% of them trucks, projected to reach 40,800 by 2040. The structure is 222 ft (67.7 m) long and 105 ft wide.

CarriesSH 115 Ml + US 85
CrossesUS 85 Ml
Location3.5 MI N of Fort Carson
RouteState Highway 115A
Coordinates38.79709, -104.82204
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating42.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length222 ft (67.7 m)
Longest span120 ft (36.6 m)
Deck width105 ft (31.9 m)
Roadway width101 ft (30.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,000 (2020)
Projected traffic40,800 by 2040
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 115 Ml + US 85 over US 85 Ml built?

It was built in 1971, making it 54 years old in 2025.

What condition is SH 115 Ml + US 85 over US 85 Ml 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 2025.

How much traffic does SH 115 Ml + US 85 over US 85 Ml carry?

About 34,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is SH 115 Ml + US 85 over US 85 Ml?

The structure is 222 ft (67.7 m) long with a longest span of 120 ft (36.6 m) and a deck 105 ft wide.

Who owns SH 115 Ml + US 85 over US 85 Ml?

It is owned by the State Highway Agency.