US Bridges

County RD 75.0 over Leitensdorfer Arroyo

Poor

Las Animas County, Colorado · 1.4 MI S of Hoehne RD · Structure no. LA75-38-20-53

Built
1950
75 years old
Condition
Poor
inspected May 2024
Type
Girder and Floorbeam System
Steel
Length
30 ft
1 main span
Daily traffic
70
2022 count
Owner
County
County Highway Agency

About this bridge

County RD 75.0 over Leitensdorfer Arroyo is a steel girder and floorbeam system carrying County RD 75.0 over Leitensdorfer Arroyo in Las Animas County, Colorado. It was built in 1950, so it is 75 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. Its operating status is: open, posting recommended but not legally implemented.

It carries about 70 vehicles a day, roughly 2% of them trucks, projected to reach 86 by 2042. The structure is 30 ft (9.1 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty RD 75.0
CrossesLeitensdorfer Arroyo
Location1.4 MI S of Hoehne RD
RouteCounty Highway 0
Coordinates37.27334, -104.46747
Functional classRural Local

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating8.8 US tons
Inventory rating5.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span26 ft (7.9 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2022)
Projected traffic86 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$737,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 75.0 over Leitensdorfer Arroyo built?

It was built in 1950, making it 75 years old in 2025.

What condition is County RD 75.0 over Leitensdorfer Arroyo 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 May 2024.

How much traffic does County RD 75.0 over Leitensdorfer Arroyo carry?

About 70 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County RD 75.0 over Leitensdorfer Arroyo?

The structure is 30 ft (9.1 m) long with a longest span of 26 ft (7.9 m) and a deck 25 ft wide.

Who owns County RD 75.0 over Leitensdorfer Arroyo?

It is owned by the County Highway Agency.