US Bridges

88th Avenue over Local Drainage

Fair

Adams County, Colorado · 0.5 MI West of Manila RD · Structure no. ADA088-27.5N131

Built
1983
42 years old, rebuilt 2019
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
1,341
2021 count
Owner
County
County Highway Agency

About this bridge

88th Avenue over Local Drainage is a steel stringer/multi-beam or girder carrying 88th Avenue over Local Drainage in Adams County, Colorado. It was built in 1983 and reconstructed in 2019, so it is 42 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 1,341 vehicles a day, roughly 15% of them trucks, projected to reach 1,743 by 2041. The structure is 51 ft (15.5 m) long and 51 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries88th Avenue
CrossesLocal Drainage
Location0.5 MI West of Manila RD
RouteCounty Highway 0
CountyAdams County
StateColorado
Coordinates39.85478, -104.53778
Functional classRural Major 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.1 US tons
Inventory rating37.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length51 ft (15.5 m)
Longest span48 ft (14.6 m)
Deck width51 ft (15.4 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,341 (2021)
Projected traffic1,743 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Avenue over Local Drainage built?

It was built in 1983, making it 42 years old in 2025. It was reconstructed in 2019.

What condition is 88th Avenue over Local Drainage 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 December 2023.

How much traffic does 88th Avenue over Local Drainage carry?

About 1,341 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is 88th Avenue over Local Drainage?

The structure is 51 ft (15.5 m) long with a longest span of 48 ft (14.6 m) and a deck 51 ft wide.

Who owns 88th Avenue over Local Drainage?

It is owned by the County Highway Agency.