US Bridges

88th Avenue over Trib of Lost Creek

Fair

Adams County, Colorado · 0.2 MI W of Converse Road · Structure no. ADA088-32.8N139

Built
1993
32 years old
Condition
Fair
inspected December 2023
Type
Frame
Concrete
Length
44 ft
2 main spans
Daily traffic
852
2021 count
Owner
County
County Highway Agency

About this bridge

88th Avenue over Trib of Lost Creek is a concrete frame carrying 88th Avenue over Trib of Lost Creek in Adams County, Colorado. It was built in 1993, so it is 32 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 852 vehicles a day, roughly 9% of them trucks, projected to reach 1,107 by 2041. The structure is 44 ft (13.4 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries88th Avenue
CrossesTrib of Lost Creek
Location0.2 MI W of Converse Road
RouteCounty Highway 0
Coordinates39.85407, -104.43435
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating36.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckOther
Main spans2
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span21 ft (6.4 m)
Deck width38 ft (11.7 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic852 (2021)
Projected traffic1,107 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Trib of Lost Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is 88th Avenue over Trib of Lost Creek 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 Trib of Lost Creek carry?

About 852 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is 88th Avenue over Trib of Lost Creek?

The structure is 44 ft (13.4 m) long with a longest span of 21 ft (6.4 m) and a deck 38 ft wide.

Who owns 88th Avenue over Trib of Lost Creek?

It is owned by the County Highway Agency.