US Bridges

US 50 Service RD over BNSF RR Ar

Poor

Pueblo County, Colorado · Road to Pueblo Army Depot · Structure no. K-19-W

Built
1953
72 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
253 ft
4 main spans
Daily traffic
8,600
2020 count
Owner
State
State Highway Agency

About this bridge

US 50 Service RD over BNSF RR Ar is a steel continuous stringer/multi-beam or girder carrying US 50 Service RD over BNSF RR Ar in Pueblo County, Colorado. It was built in 1953, so it is 72 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.

It carries about 8,600 vehicles a day, roughly 12% of them trucks, projected to reach 9,804 by 2040. The structure is 253 ft (77.1 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesUS 50 Service RD
CrossesBNSF RR Ar
LocationRoad to Pueblo Army Depot
RouteU.S. Route 50B
Coordinates38.26599, -104.36871
Functional classRural Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating18.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length253 ft (77.1 m)
Longest span68 ft (20.6 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,600 (2020)
Projected traffic9,804 by 2040
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 50 Service RD over BNSF RR Ar built?

It was built in 1953, making it 72 years old in 2025.

What condition is US 50 Service RD over BNSF RR Ar 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 July 2024.

How much traffic does US 50 Service RD over BNSF RR Ar carry?

About 8,600 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is US 50 Service RD over BNSF RR Ar?

The structure is 253 ft (77.1 m) long with a longest span of 68 ft (20.6 m) and a deck 34 ft wide.

Who owns US 50 Service RD over BNSF RR Ar?

It is owned by the State Highway Agency.