US Bridges

County Road 1975 over Tongue Creek

Fair

Delta County, Colorado · .2 MI E of Trap Club RD · Structure no. DEL1975-0.2-64

Built
1984
41 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
152
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 1975 over Tongue Creek is a steel stringer/multi-beam or girder carrying County Road 1975 over Tongue Creek in Delta County, Colorado. It was built in 1984, so it is 41 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: open, posting recommended but not legally implemented.

It carries about 152 vehicles a day, roughly 2% of them trucks, projected to reach 171 by 2042. The structure is 31 ft (9.4 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCounty Road 1975
CrossesTongue Creek
Location.2 MI E of Trap Club RD
RouteCounty Highway 0
Coordinates38.81325, -107.99572
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour within limits of footing or piles
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating28.8 US tons
Inventory rating17.2 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span27 ft (8.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic152 (2022)
Projected traffic171 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Road 1975 over Tongue Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is County Road 1975 over Tongue 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 September 2023.

How much traffic does County Road 1975 over Tongue Creek carry?

About 152 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 1975 over Tongue Creek?

The structure is 31 ft (9.4 m) long with a longest span of 27 ft (8.3 m) and a deck 24 ft wide.

Who owns County Road 1975 over Tongue Creek?

It is owned by the County Highway Agency.