US Bridges

US 34 Ml Ebnd over Greeley Canal No 3

Fair

Weld County, Colorado · 18th Ave & 10th ST in Gre · Structure no. C-18-I

Built
1947
78 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
4,350
2020 count
Owner
State
State Highway Agency

About this bridge

US 34 Ml Ebnd over Greeley Canal No 3 is a concrete slab carrying US 34 Ml Ebnd over Greeley Canal No 3 in Weld County, Colorado. It was built in 1947, so it is 78 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 4,350 vehicles a day, roughly 4% of them trucks, projected to reach 4,872 by 2040. The structure is 29 ft (8.8 m) long and 203 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 34 Ml Ebnd
CrossesGreeley Canal No 3
Location18th Ave & 10th ST in Gre
RouteU.S. Route 34D
Coordinates40.42274, -104.70842
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width203 ft (62 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,350 (2020)
Projected traffic4,872 by 2040
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 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 Ebnd over Greeley Canal No 3 built?

It was built in 1947, making it 78 years old in 2025.

What condition is US 34 Ml Ebnd over Greeley Canal No 3 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 November 2023.

How much traffic does US 34 Ml Ebnd over Greeley Canal No 3 carry?

About 4,350 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is US 34 Ml Ebnd over Greeley Canal No 3?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 203 ft wide.

Who owns US 34 Ml Ebnd over Greeley Canal No 3?

It is owned by the State Highway Agency.