US Bridges

180th Trl over Br of Chariton River

Fair

Lucas County, Iowa · 071221604 · Structure no. 000000000365445

Built
2009
16 years old
Condition
Fair
inspected November 2024
Type
Culvert
Steel
Length
33 ft
4 main spans
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

180th Trl over Br of Chariton River is a steel culvert carrying 180th Trl over Br of Chariton River in Lucas County, Iowa. It was built in 2009, so it is 16 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 11 vehicles a day, projected to reach 11 by 2044. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Carries180th Trl
CrossesBr of Chariton River
Location071221604
RouteCounty Highway 0
StateIowa
Coordinates40.94472, -93.40376
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span4 ft (1.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2044
Trucks0%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 180th Trl over Br of Chariton River built?

It was built in 2009, making it 16 years old in 2025.

What condition is 180th Trl over Br of Chariton 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 November 2024.

How much traffic does 180th Trl over Br of Chariton River carry?

About 11 vehicles per day (2022 count).

How long is 180th Trl over Br of Chariton River?

The structure is 33 ft (10.1 m) long with a longest span of 4 ft (1.2 m).

Who owns 180th Trl over Br of Chariton River?

It is owned by the County Highway Agency.