US Bridges

US 50 Ml over Smith Hollow

Good

Otero County, Colorado · 7.5 MI East of Fowler · Structure no. L-21-DB

Built
1997
28 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
117 ft
1 main span
Daily traffic
4,700
2020 count
Owner
State
State Highway Agency

About this bridge

US 50 Ml over Smith Hollow is a prestressed concrete stringer/multi-beam or girder carrying US 50 Ml over Smith Hollow in Otero County, Colorado. It was built in 1997, so it is 28 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,700 vehicles a day, roughly 10% of them trucks, projected to reach 4,982 by 2040. The structure is 117 ft (35.7 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 50 Ml
CrossesSmith Hollow
Location7.5 MI East of Fowler
RouteU.S. Route 50B
Coordinates38.11488, -103.88844
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.9 US tons
Inventory rating42.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length117 ft (35.7 m)
Longest span114 ft (34.6 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2020)
Projected traffic4,982 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 US 50 Ml over Smith Hollow built?

It was built in 1997, making it 28 years old in 2025.

What condition is US 50 Ml over Smith Hollow in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does US 50 Ml over Smith Hollow carry?

About 4,700 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is US 50 Ml over Smith Hollow?

The structure is 117 ft (35.7 m) long with a longest span of 114 ft (34.6 m) and a deck 46 ft wide.

Who owns US 50 Ml over Smith Hollow?

It is owned by the State Highway Agency.