US Bridges

City ST - Davis over San Miguel River

Fair

San Miguel County, Colorado · 150 Ft N of SH145 · Structure no. TELLRD-DAVIS

Built
1995
30 years old
Condition
Fair
inspected June 2024
Type
Arch - Deck
Steel
Length
44 ft
2 main spans
Daily traffic
253
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

City ST - Davis over San Miguel River is a steel arch - deck carrying City ST - Davis over San Miguel River in San Miguel County, Colorado. It was built in 1995, so it is 30 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 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 253 vehicles a day, roughly 2% of them trucks, projected to reach 288 by 2042. The structure is 44 ft (13.3 m) long and 40 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesCity ST - Davis
CrossesSan Miguel River
Location150 Ft N of SH145
RouteCity Street 0
CountySan Miguel County
StateColorado
Coordinates37.93722, -107.81786
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length44 ft (13.3 m)
Longest span20 ft (6.1 m)
Deck width40 ft (12.3 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic253 (2022)
Projected traffic288 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed100 mi (161 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 City ST - Davis over San Miguel River built?

It was built in 1995, making it 30 years old in 2025.

What condition is City ST - Davis over San Miguel 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 June 2024.

How much traffic does City ST - Davis over San Miguel River carry?

About 253 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is City ST - Davis over San Miguel River?

The structure is 44 ft (13.3 m) long with a longest span of 20 ft (6.1 m) and a deck 40 ft wide.

Who owns City ST - Davis over San Miguel River?

It is owned by the Town or Township Highway Agency.