US Bridges

US 50 Ml over Spaulding Creek

Fair

Chaffee County, Colorado · 1 MI W of Poncha Spgs. · Structure no. J-12-Z

Built
1938
87 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
5,200
2020 count
Owner
State
State Highway Agency

About this bridge

US 50 Ml over Spaulding Creek is a steel stringer/multi-beam or girder carrying US 50 Ml over Spaulding Creek in Chaffee County, Colorado. It was built in 1938, so it is 87 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 5,200 vehicles a day, roughly 8% of them trucks, projected to reach 6,968 by 2040. The structure is 44 ft (13.3 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 50 Ml
CrossesSpaulding Creek
Location1 MI W of Poncha Spgs.
RouteU.S. Route 50A
Coordinates38.52154, -106.10041
Functional classRural Principal Arterial - Other

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.
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 inspectionJune 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.8 US tons
Inventory rating24.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length44 ft (13.3 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2020)
Projected traffic6,968 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Ml over Spaulding Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is US 50 Ml over Spaulding Creek 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 2023.

How much traffic does US 50 Ml over Spaulding Creek carry?

About 5,200 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is US 50 Ml over Spaulding Creek?

The structure is 44 ft (13.3 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns US 50 Ml over Spaulding Creek?

It is owned by the State Highway Agency.