US Bridges

County Road 4E over Farmers Union Lateral

Fair

Rio Grande County, Colorado · At CR 4E and 10N · Structure no. RGDE04-10.00NA

Built
1980
45 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
84
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 4E over Farmers Union Lateral is a steel stringer/multi-beam or girder carrying County Road 4E over Farmers Union Lateral in Rio Grande County, Colorado. It was built in 1980, so it is 45 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 84 vehicles a day, roughly 2% of them trucks, projected to reach 98 by 2042. The structure is 25 ft (7.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 4E
CrossesFarmers Union Lateral
LocationAt CR 4E and 10N
RouteCounty Highway 0
CountyRio Grande County
StateColorado
Coordinates37.71908, -106.07525
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.1 US tons
Inventory rating18 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length25 ft (7.7 m)
Longest span22 ft (6.8 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84 (2022)
Projected traffic98 by 2042
Trucks2%
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

OwnerCounty Highway Agency
Maintained byCounty 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 County Road 4E over Farmers Union Lateral built?

It was built in 1980, making it 45 years old in 2025.

What condition is County Road 4E over Farmers Union Lateral 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 2024.

How much traffic does County Road 4E over Farmers Union Lateral carry?

About 84 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 4E over Farmers Union Lateral?

The structure is 25 ft (7.7 m) long with a longest span of 22 ft (6.8 m) and a deck 30 ft wide.

Who owns County Road 4E over Farmers Union Lateral?

It is owned by the County Highway Agency.