US Bridges

Local Road over Zoar Creek

Good

Lyon County, Iowa · 099433402 · Structure no. 000000000229821

Built
1992
33 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
46
2022 count
Owner
County
County Highway Agency

About this bridge

Local Road over Zoar Creek is a concrete culvert carrying Local Road over Zoar Creek in Lyon County, Iowa. It was built in 1992, so it is 33 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 46 vehicles a day, projected to reach 46 by 2044. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLocal Road
CrossesZoar Creek
Location099433402
RouteCounty Highway 0
CountyLyon County
StateIowa
Coordinates43.35577, -95.91991
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46 (2022)
Projected traffic46 by 2044
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local Road over Zoar Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Local Road over Zoar 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 Local Road over Zoar Creek carry?

About 46 vehicles per day (2022 count).

How long is Local Road over Zoar Creek?

The structure is 23 ft (7 m) long with a longest span of 9 ft (2.7 m).

Who owns Local Road over Zoar Creek?

It is owned by the County Highway Agency.