US Bridges

Greene Street over Cement Creek

Poor

San Juan County, Colorado · Just S of 16th Street · Structure no. M-06-F

Built
1929
96 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
647
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Greene Street over Cement Creek is a steel stringer/multi-beam or girder carrying Greene Street over Cement Creek in San Juan County, Colorado. It was built in 1929, so it is 96 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 647 vehicles a day, roughly 5% of them trucks, projected to reach 673 by 2042. The structure is 38 ft (11.7 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGreene Street
CrossesCement Creek
LocationJust S of 16th Street
RouteCity Street 0
Coordinates37.81483, -107.66142
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be 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 rating32.5 US tons
Inventory rating19.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length38 ft (11.7 m)
Longest span35 ft (10.8 m)
Deck width37 ft (11.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic647 (2022)
Projected traffic673 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Greene Street over Cement Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is Greene Street over Cement Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Greene Street over Cement Creek carry?

About 647 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Greene Street over Cement Creek?

The structure is 38 ft (11.7 m) long with a longest span of 35 ft (10.8 m) and a deck 37 ft wide.

Who owns Greene Street over Cement Creek?

It is owned by the Town or Township Highway Agency.