US Bridges

I 25 Ml Serv. Rd. over Draw

Fair

Weld County, Colorado · 2.2 MI No of JCT SH 66 · Structure no. D-17-DD

Built
1961
64 years old, rebuilt 1979
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
72,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml Serv. Rd. over Draw is a concrete culvert carrying I 25 Ml Serv. Rd. over Draw in Weld County, Colorado. It was built in 1961 and reconstructed in 1979, so it is 64 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 72,000 vehicles a day, roughly 10% of them trucks, projected to reach 106,560 by 2040. The structure is 21 ft (6.4 m) long and 280 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Ml Serv. Rd.
CrossesDraw
Location2.2 MI No of JCT SH 66
RouteInterstate 25A
Coordinates40.23659, -104.97962
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 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
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width280 ft (85.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72,000 (2020)
Projected traffic106,560 by 2040
Trucks10%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Ml Serv. Rd. over Draw built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1979.

What condition is I 25 Ml Serv. Rd. over Draw 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 I 25 Ml Serv. Rd. over Draw carry?

About 72,000 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is I 25 Ml Serv. Rd. over Draw?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 280 ft wide.

Who owns I 25 Ml Serv. Rd. over Draw?

It is owned by the State Highway Agency.