US Bridges

88th Ave over I 76 Ml

Fair

Adams County, Colorado · 0.7 MI NE of JCT US 6 · Structure no. E-17-KS

Built
1972
53 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
236 ft
2 main spans
Daily traffic
23,714
2024 count
Owner
State
State Highway Agency

About this bridge

88th Ave over I 76 Ml is a steel continuous stringer/multi-beam or girder carrying 88th Ave over I 76 Ml in Adams County, Colorado. It was built in 1972, so it is 53 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 5 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 23,714 vehicles a day, roughly 8% of them trucks, projected to reach 30,829 by 2044. The structure is 236 ft (71.9 m) long and 91 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries88th Ave
CrossesI 76 Ml
Location0.7 MI NE of JCT US 6
RouteCounty Highway 0
Coordinates39.85786, -104.91319
Functional classUrban Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length236 ft (71.9 m)
Longest span116 ft (35.4 m)
Deck width91 ft (27.6 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,714 (2024)
Projected traffic30,829 by 2044
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 88th Ave over I 76 Ml built?

It was built in 1972, making it 53 years old in 2025.

What condition is 88th Ave over I 76 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 June 2023.

How much traffic does 88th Ave over I 76 Ml carry?

About 23,714 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is 88th Ave over I 76 Ml?

The structure is 236 ft (71.9 m) long with a longest span of 116 ft (35.4 m) and a deck 91 ft wide.

Who owns 88th Ave over I 76 Ml?

It is owned by the State Highway Agency.