US Bridges

SH 392 Ml over Greeley Canal No 2

Fair

Weld County, Colorado · 8.7 MI E of JCT SH 257 · Structure no. C-18-S

Built
1955
70 years old
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete
Length
32 ft
1 main span
Daily traffic
6,500
2020 count
Owner
State
State Highway Agency

About this bridge

SH 392 Ml over Greeley Canal No 2 is a concrete tee beam carrying SH 392 Ml over Greeley Canal No 2 in Weld County, Colorado. It was built in 1955, so it is 70 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 6,500 vehicles a day, roughly 15% of them trucks, projected to reach 10,075 by 2040. The structure is 32 ft (9.8 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSH 392 Ml
CrossesGreeley Canal No 2
Location8.7 MI E of JCT SH 257
RouteState Highway 392B
CountyWeld County
StateColorado
Coordinates40.48109, -104.72244
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.1 US tons
Inventory rating34.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length32 ft (9.8 m)
Longest span28 ft (8.5 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2020)
Projected traffic10,075 by 2040
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$59,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 392 Ml over Greeley Canal No 2 built?

It was built in 1955, making it 70 years old in 2025.

What condition is SH 392 Ml over Greeley Canal No 2 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 December 2023.

How much traffic does SH 392 Ml over Greeley Canal No 2 carry?

About 6,500 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is SH 392 Ml over Greeley Canal No 2?

The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.

Who owns SH 392 Ml over Greeley Canal No 2?

It is owned by the State Highway Agency.