US Bridges

County RD 6.8 over Trementina Creek

Fair

Las Animas County, Colorado · .8 MI W of SH 308 · Structure no. LA6.8-69-2-124

Built
1940
85 years old
Condition
Fair
inspected June 2023
Type
Arch - Deck
Masonry
Length
20 ft
1 main span
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

County RD 6.8 over Trementina Creek is a masonry arch - deck carrying County RD 6.8 over Trementina Creek in Las Animas County, Colorado. It was built in 1940, so it is 85 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 25 vehicles a day, projected to reach 31 by 2042. The structure is 20 ft (6.1 m) long and 22 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesCounty RD 6.8
CrossesTrementina Creek
Location.8 MI W of SH 308
RouteCounty Highway 0
CountyLas Animas County
StateColorado
Coordinates37.02296, -103.90751
Functional classRural Major 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.
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 protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width22 ft (6.8 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic31 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County RD 6.8 over Trementina Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is County RD 6.8 over Trementina 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 County RD 6.8 over Trementina Creek carry?

About 25 vehicles per day (2022 count).

How long is County RD 6.8 over Trementina Creek?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 22 ft wide.

Who owns County RD 6.8 over Trementina Creek?

It is owned by the County Highway Agency.