US Bridges

Railroad Street over Coal Creek

Fair

Fremont County, Colorado · In Florence · Structure no. FLOR 006-RR ST.

Built
1918
107 years old
Condition
Fair
inspected January 2025
Type
Arch - Deck
Concrete
Length
44 ft
1 main span
Daily traffic
548
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Railroad Street over Coal Creek is a concrete arch - deck carrying Railroad Street over Coal Creek in Fremont County, Colorado. It was built in 1918, so it is 107 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 548 vehicles a day, roughly 2% of them trucks, projected to reach 614 by 2042. The structure is 44 ft (13.4 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRailroad Street
CrossesCoal Creek
LocationIn Florence
RouteCity Street 0
Coordinates38.38728, -105.11625
Functional classUrban 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
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 protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span44 ft (13.4 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic548 (2022)
Projected traffic614 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Railroad Street over Coal Creek built?

It was built in 1918, making it 107 years old in 2025.

What condition is Railroad Street over Coal 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 January 2025.

How much traffic does Railroad Street over Coal Creek carry?

About 548 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Railroad Street over Coal Creek?

The structure is 44 ft (13.4 m) long with a longest span of 44 ft (13.4 m) and a deck 26 ft wide.

Who owns Railroad Street over Coal Creek?

It is owned by the City or Municipal Highway Agency.