US Bridges

200th ST over Hess Creek

Good

Lyon County, Iowa · 099433401 · Structure no. 000000000229811

Built
2015
10 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

200th ST over Hess Creek is a concrete continuous culvert carrying 200th ST over Hess Creek in Lyon County, Iowa. It was built in 2015, so it is 10 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 26 vehicles a day, projected to reach 26 by 2043. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries200th ST
CrossesHess Creek
Location099433401
RouteCounty Highway 0
CountyLyon County
StateIowa
Coordinates43.35999, -95.90613
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 2023
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 alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length29 ft (8.8 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 traffic26 (2022)
Projected traffic26 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$30,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 200th ST over Hess Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is 200th ST over Hess 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 2023.

How much traffic does 200th ST over Hess Creek carry?

About 26 vehicles per day (2022 count).

How long is 200th ST over Hess Creek?

The structure is 29 ft (8.8 m) long with a longest span of 12 ft (3.7 m).

Who owns 200th ST over Hess Creek?

It is owned by the County Highway Agency.