US Bridges

SH 14 Ml over Eaton Ditch

Poor

Weld County, Colorado · 2.4 MI E of US85 at Ault · Structure no. B-18-I

Built
1941
84 years old
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
29 ft
1 main span
Daily traffic
2,400
2020 count
Owner
State
State Highway Agency

About this bridge

SH 14 Ml over Eaton Ditch is a wood or timber stringer/multi-beam or girder carrying SH 14 Ml over Eaton Ditch in Weld County, Colorado. It was built in 1941, so it is 84 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 2,400 vehicles a day, roughly 16% of them trucks, projected to reach 3,312 by 2040. The structure is 29 ft (8.8 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 14 Ml
CrossesEaton Ditch
Location2.4 MI E of US85 at Ault
RouteState Highway 14C
Coordinates40.58208, -104.68919
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.5 US tons
Inventory rating26.9 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length29 ft (8.8 m)
Longest span25 ft (7.6 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2020)
Projected traffic3,312 by 2040
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SH 14 Ml over Eaton Ditch built?

It was built in 1941, making it 84 years old in 2025.

What condition is SH 14 Ml over Eaton Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does SH 14 Ml over Eaton Ditch carry?

About 2,400 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is SH 14 Ml over Eaton Ditch?

The structure is 29 ft (8.8 m) long with a longest span of 25 ft (7.6 m) and a deck 31 ft wide.

Who owns SH 14 Ml over Eaton Ditch?

It is owned by the State Highway Agency.