Local over Clear Creek

Good

Marshall County, Iowa · 083203002 · Structure no. 000000000243031

Built: 1993; 32 years old
Condition: Good; inspected November 2022
Type: Slab; Concrete Continuous
Length: 87 ft; 3 main spans
Daily traffic: 45; 2022 count
Owner: County; County Highway Agency

About this bridge

Local over Clear Creek is a concrete continuous slab carrying Local over Clear Creek in Marshall County, Iowa. It was built in 1993, so it is 32 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 45 vehicles a day, projected to reach 45 by 2042. The structure is 87 ft (26.5 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesLocal

CrossesClear Creek

Location083203002

RouteCounty Highway 0

CountyMarshall County

StateIowa

Coordinates41.96713, -93.23178

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.

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	7 Good	Some minor problems.
Substructure	7 Good	Some minor problems.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionNovember 2022

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation7: Better than present minimum criteria

Deck geometry7: Better than present minimum criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment7: Better than present minimum criteria

Operating rating83.4 US tons

Inventory rating50 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20

Structure length87 ft (26.5 m)

Longest span34 ft (10.4 m)

Deck width33 ft (10.2 m)

Roadway width30 ft (9.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2022)

Projected traffic45 by 2042

Trucks0%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed3.7 mi (6 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 Clear Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Local over Clear 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 November 2022.

How much traffic does Local over Clear Creek carry?

About 45 vehicles per day (2022 count).

How long is Local over Clear Creek?

The structure is 87 ft (26.5 m) long with a longest span of 34 ft (10.4 m) and a deck 33 ft wide.

Who owns Local over Clear Creek?

It is owned by the County Highway Agency.