US Bridges

County Road 243 over Florida River

Fair

La Plata County, Colorado · 1.0 MI S of Lemon Res. · Structure no. 067024300.6010A

Built
1992
33 years old
Condition
Fair
inspected October 2024
Type
Girder and Floorbeam System
Wood or Timber
Length
58 ft
1 main span
Daily traffic
483
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 243 over Florida River is a wood or timber girder and floorbeam system carrying County Road 243 over Florida River in La Plata County, Colorado. It was built in 1992, so it is 33 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.

It carries about 483 vehicles a day, roughly 2% of them trucks, projected to reach 570 by 2042. The structure is 58 ft (17.6 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesCounty Road 243
CrossesFlorida River
Location1.0 MI S of Lemon Res.
RouteCounty Highway 0
CountyLa Plata County
StateColorado
Coordinates37.36769, -107.6666
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
Deck8 Very GoodNo problems noted.
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 inspectionOctober 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.2 US tons
Inventory rating37.7 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length58 ft (17.6 m)
Longest span51 ft (15.6 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic483 (2022)
Projected traffic570 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 243 over Florida River built?

It was built in 1992, making it 33 years old in 2025.

What condition is County Road 243 over Florida River 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 October 2024.

How much traffic does County Road 243 over Florida River carry?

About 483 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 243 over Florida River?

The structure is 58 ft (17.6 m) long with a longest span of 51 ft (15.6 m) and a deck 32 ft wide.

Who owns County Road 243 over Florida River?

It is owned by the County Highway Agency.