US Bridges

Maple St/Cr HH.5 over Lamar Canal

Poor

Prowers County, Colorado · Just E of CR 9 · Structure no. PR101 MAPLE ST

Built
1983
42 years old
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
794
2022 count
Owner
County
County Highway Agency

About this bridge

Maple St/Cr HH.5 over Lamar Canal is a steel stringer/multi-beam or girder carrying Maple St/Cr HH.5 over Lamar Canal in Prowers County, Colorado. It was built in 1983, so it is 42 years old, younger 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 794 vehicles a day, roughly 95% of them trucks, projected to reach 944 by 2042. The structure is 24 ft (7.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMaple St/Cr HH.5
CrossesLamar Canal
LocationJust E of CR 9
RouteCounty Highway 0
Coordinates38.09268, -102.59492
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.3 US tons
Inventory rating17.5 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span22 ft (6.6 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic794 (2022)
Projected traffic944 by 2042
Trucks95%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$57,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Maple St/Cr HH.5 over Lamar Canal built?

It was built in 1983, making it 42 years old in 2025.

What condition is Maple St/Cr HH.5 over Lamar Canal 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 April 2023.

How much traffic does Maple St/Cr HH.5 over Lamar Canal carry?

About 794 vehicles per day (2022 count), of which roughly 95% are trucks.

How long is Maple St/Cr HH.5 over Lamar Canal?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.6 m) and a deck 28 ft wide.

Who owns Maple St/Cr HH.5 over Lamar Canal?

It is owned by the County Highway Agency.