US Bridges

140th ST over Dry Run Creek

Good

Lyon County, Iowa · 100443501 · Structure no. 000000000364930

Built
2005
20 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

140th ST over Dry Run Creek is a concrete culvert carrying 140th ST over Dry Run Creek in Lyon County, Iowa. It was built in 2005, so it is 20 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, projected to reach 20 by 2044. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 5 mi (8 km).

Carries140th ST
CrossesDry Run Creek
Location100443501
RouteCounty Highway 0
StateIowa
Coordinates43.44718, -95.99988
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 140th ST over Dry Run Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is 140th ST over Dry Run Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does 140th ST over Dry Run Creek carry?

About 20 vehicles per day (2022 count).

How long is 140th ST over Dry Run Creek?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).

Who owns 140th ST over Dry Run Creek?

It is owned by the County Highway Agency.