US Bridges

US 85 Ml over Fountain Creek

Poor

El Paso County, Colorado · 0.5 MI N of JCT I-25 Ml · Structure no. J-18-M

Built
1930
95 years old, rebuilt 1964
Condition
Poor
inspected July 2024
Type
Girder and Floorbeam System
Steel
Length
568 ft
3 main spans
Daily traffic
11,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 85 Ml over Fountain Creek is a steel girder and floorbeam system carrying US 85 Ml over Fountain Creek in El Paso County, Colorado. It was built in 1930 and reconstructed in 1964, so it is 95 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 11,000 vehicles a day, roughly 5% of them trucks, projected to reach 13,640 by 2040. The structure is 568 ft (173 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 85 Ml
CrossesFountain Creek
Location0.5 MI N of JCT I-25 Ml
RouteU.S. Route 85A
Coordinates38.67684, -104.70534
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.6 US tons
Inventory rating26.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+11 approach)
Design loadUnknown
Structure length568 ft (173 m)
Longest span80 ft (24.4 m)
Deck width37 ft (11.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2020)
Projected traffic13,640 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 US 85 Ml over Fountain Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1964.

What condition is US 85 Ml over Fountain Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does US 85 Ml over Fountain Creek carry?

About 11,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is US 85 Ml over Fountain Creek?

The structure is 568 ft (173 m) long with a longest span of 80 ft (24.4 m) and a deck 37 ft wide.

Who owns US 85 Ml over Fountain Creek?

It is owned by the State Highway Agency.