US Bridges

US 34 Ml Wbnd over US 85 Ml Nbnd R

Fair

Weld County, Colorado · S.E. Corner of Greeley · Structure no. C-18-EL

Built
1975
50 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
211 ft
2 main spans
Daily traffic
16,500
2020 count
Owner
State
State Highway Agency

About this bridge

US 34 Ml Wbnd over US 85 Ml Nbnd R is a steel continuous stringer/multi-beam or girder carrying US 34 Ml Wbnd over US 85 Ml Nbnd R in Weld County, Colorado. It was built in 1975, so it is 50 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 16,500 vehicles a day, roughly 6% of them trucks, projected to reach 23,595 by 2040. The structure is 211 ft (64.3 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 34 Ml Wbnd
CrossesUS 85 Ml Nbnd R
LocationS.E. Corner of Greeley
RouteU.S. Route 34A
Coordinates40.39364, -104.68043
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating25.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length211 ft (64.3 m)
Longest span107 ft (32.5 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,500 (2020)
Projected traffic23,595 by 2040
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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 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 US 34 Ml Wbnd over US 85 Ml Nbnd R built?

It was built in 1975, making it 50 years old in 2025.

What condition is US 34 Ml Wbnd over US 85 Ml Nbnd R 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 August 2023.

How much traffic does US 34 Ml Wbnd over US 85 Ml Nbnd R carry?

About 16,500 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is US 34 Ml Wbnd over US 85 Ml Nbnd R?

The structure is 211 ft (64.3 m) long with a longest span of 107 ft (32.5 m) and a deck 31 ft wide.

Who owns US 34 Ml Wbnd over US 85 Ml Nbnd R?

It is owned by the State Highway Agency.