US Bridges

4th Street over Dolores River

Fair

Montezuma County, Colorado · In Town of Dolores · Structure no. 0335.01A

Built
1998
27 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
174 ft
2 main spans
Daily traffic
1,478
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

4th Street over Dolores River is a prestressed concrete continuous stringer/multi-beam or girder carrying 4th Street over Dolores River in Montezuma County, Colorado. It was built in 1998, so it is 27 years old, younger 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 1,478 vehicles a day, roughly 2% of them trucks, projected to reach 1,641 by 2042. The structure is 174 ft (52.9 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries4th Street
CrossesDolores River
LocationIn Town of Dolores
RouteCity Street 0
Coordinates37.47111, -108.50398
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating62.5 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length174 ft (52.9 m)
Longest span82 ft (25.1 m)
Deck width41 ft (12.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,478 (2022)
Projected traffic1,641 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 4th Street over Dolores River built?

It was built in 1998, making it 27 years old in 2025.

What condition is 4th Street over Dolores River 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 2024.

How much traffic does 4th Street over Dolores River carry?

About 1,478 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 4th Street over Dolores River?

The structure is 174 ft (52.9 m) long with a longest span of 82 ft (25.1 m) and a deck 41 ft wide.

Who owns 4th Street over Dolores River?

It is owned by the Town or Township Highway Agency.