US Bridges

Midland Avenue over Colorado River

Fair

Garfield County, Colorado · Exit 114 of I-70 · Structure no. GLNWD-MIDAVE

Built
1996
29 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
268 ft
3 main spans
Daily traffic
13,630
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Midland Avenue over Colorado River is a steel continuous stringer/multi-beam or girder carrying Midland Avenue over Colorado River in Garfield County, Colorado. It was built in 1996, so it is 29 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 13,630 vehicles a day, roughly 20% of them trucks, projected to reach 17,310 by 2042. The structure is 268 ft (81.7 m) long and 59 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMidland Avenue
CrossesColorado River
LocationExit 114 of I-70
RouteCity Street 0
Coordinates39.55918, -107.36057
Functional classUrban Minor 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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.7 US tons
Inventory rating44.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length268 ft (81.7 m)
Longest span194 ft (59.1 m)
Deck width59 ft (18 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,630 (2023)
Projected traffic17,310 by 2042
Trucks20%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Midland Avenue over Colorado River built?

It was built in 1996, making it 29 years old in 2025.

What condition is Midland Avenue over Colorado River 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 September 2023.

How much traffic does Midland Avenue over Colorado River carry?

About 13,630 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Midland Avenue over Colorado River?

The structure is 268 ft (81.7 m) long with a longest span of 194 ft (59.1 m) and a deck 59 ft wide.

Who owns Midland Avenue over Colorado River?

It is owned by the City or Municipal Highway Agency.