US Bridges

SH 141 Ml over John Brown Creek

Fair

Mesa County, Colorado · .5 MI S of Gateway · Structure no. J-01-D

Built
1955
70 years old, rebuilt 1961
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
2 main spans
Daily traffic
260
2020 count
Owner
State
State Highway Agency

About this bridge

SH 141 Ml over John Brown Creek is a steel stringer/multi-beam or girder carrying SH 141 Ml over John Brown Creek in Mesa County, Colorado. It was built in 1955 and reconstructed in 1961, so it is 70 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 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 260 vehicles a day, roughly 13% of them trucks, projected to reach 312 by 2040. The structure is 42 ft (12.8 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSH 141 Ml
CrossesJohn Brown Creek
Location.5 MI S of Gateway
RouteState Highway 141A
Coordinates38.676, -108.9773
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating50 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadH 10
Structure length42 ft (12.8 m)
Longest span16 ft (5 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2020)
Projected traffic312 by 2040
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

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 SH 141 Ml over John Brown Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1961.

What condition is SH 141 Ml over John Brown 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 December 2024.

How much traffic does SH 141 Ml over John Brown Creek carry?

About 260 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is SH 141 Ml over John Brown Creek?

The structure is 42 ft (12.8 m) long with a longest span of 16 ft (5 m) and a deck 30 ft wide.

Who owns SH 141 Ml over John Brown Creek?

It is owned by the State Highway Agency.