US Bridges

I 25 Service RD over Lone Tree Creek SR

Fair

Weld County, Colorado · 3.8 MI S of Wyoming S.L. · Structure no. A-17-AQ

Built
1963
62 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
138 ft
3 main spans
Daily traffic
30
2023 count
Owner
State
State Highway Agency

About this bridge

I 25 Service RD over Lone Tree Creek SR is a concrete tee beam carrying I 25 Service RD over Lone Tree Creek SR in Weld County, Colorado. It was built in 1963, so it is 62 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 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 30 vehicles a day, roughly 15% of them trucks, projected to reach 43 by 2042. The structure is 138 ft (42 m) long and 22 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesI 25 Service RD
CrossesLone Tree Creek SR
Location3.8 MI S of Wyoming S.L.
RouteInterstate 25A
CountyWeld County
StateColorado
Coordinates40.9455, -104.9253
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.4 US tons
Inventory rating29.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckOther
Main spans3
Design loadH 20
Structure length138 ft (42 m)
Longest span44 ft (13.4 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic43 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 25 Service RD over Lone Tree Creek SR built?

It was built in 1963, making it 62 years old in 2025.

What condition is I 25 Service RD over Lone Tree Creek SR 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 July 2023.

How much traffic does I 25 Service RD over Lone Tree Creek SR carry?

About 30 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is I 25 Service RD over Lone Tree Creek SR?

The structure is 138 ft (42 m) long with a longest span of 44 ft (13.4 m) and a deck 22 ft wide.

Who owns I 25 Service RD over Lone Tree Creek SR?

It is owned by the State Highway Agency.