US Bridges

US 34 Ml over Draw

Fair

Larimer County, Colorado · 3.8 MI W of Loveland · Structure no. C-16-AI

Built
1933
92 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
4,900
2020 count
Owner
State
State Highway Agency

About this bridge

US 34 Ml over Draw is a steel stringer/multi-beam or girder carrying US 34 Ml over Draw in Larimer County, Colorado. It was built in 1933, so it is 92 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 4,900 vehicles a day, roughly 4% of them trucks, projected to reach 5,684 by 2040. The structure is 34 ft (10.5 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 34 Ml
CrossesDraw
Location3.8 MI W of Loveland
RouteU.S. Route 34A
Coordinates40.41077, -105.2112
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating22.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length34 ft (10.5 m)
Longest span32 ft (9.8 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,900 (2020)
Projected traffic5,684 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$177,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 34 Ml over Draw built?

It was built in 1933, making it 92 years old in 2025.

What condition is US 34 Ml 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 September 2023.

How much traffic does US 34 Ml over Draw carry?

About 4,900 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is US 34 Ml over Draw?

The structure is 34 ft (10.5 m) long with a longest span of 32 ft (9.8 m) and a deck 33 ft wide.

Who owns US 34 Ml over Draw?

It is owned by the State Highway Agency.