US Bridges

Local over Drainage

Good

Marshall County, Iowa · 083180903 · Structure no. 000000000242571

Built
2006
19 years old
Condition
Good
inspected November 2022
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
340
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Drainage is a concrete continuous slab carrying Local over Drainage in Marshall County, Iowa. It was built in 2006, so it is 19 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 340 vehicles a day, projected to reach 340 by 2042. The structure is 93 ft (28.3 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLocal
CrossesDrainage
Location083180903
RouteCounty Highway 0
StateIowa
Coordinates42.01784, -92.9596
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating95 US tons
Inventory rating56.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span35 ft (10.7 m)
Deck width43 ft (13 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2022)
Projected traffic340 by 2042
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 Local over Drainage built?

It was built in 2006, making it 19 years old in 2025.

What condition is Local over Drainage 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 November 2022.

How much traffic does Local over Drainage carry?

About 340 vehicles per day (2022 count).

How long is Local over Drainage?

The structure is 93 ft (28.3 m) long with a longest span of 35 ft (10.7 m) and a deck 43 ft wide.

Who owns Local over Drainage?

It is owned by the County Highway Agency.