US Bridges

Balsam ST over Gonzales Creek

Fair

Las Animas County, Colorado · 600 Feet N of Main ST · Structure no. AG-2A

Built
1991
34 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
1 main span
Daily traffic
123
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Balsam ST over Gonzales Creek is a steel stringer/multi-beam or girder carrying Balsam ST over Gonzales Creek in Las Animas County, Colorado. It was built in 1991, so it is 34 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 123 vehicles a day, roughly 2% of them trucks, projected to reach 151 by 2042. The structure is 67 ft (20.3 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBalsam ST
CrossesGonzales Creek
Location600 Feet N of Main ST
RouteCity Street 0
Coordinates37.40368, -104.65319
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating20.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length67 ft (20.3 m)
Longest span64 ft (19.5 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123 (2022)
Projected traffic151 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Balsam ST over Gonzales Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Balsam ST over Gonzales 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 May 2023.

How much traffic does Balsam ST over Gonzales Creek carry?

About 123 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Balsam ST over Gonzales Creek?

The structure is 67 ft (20.3 m) long with a longest span of 64 ft (19.5 m) and a deck 29 ft wide.

Who owns Balsam ST over Gonzales Creek?

It is owned by the Town or Township Highway Agency.