Local over Br Mud Ck

Good

Benton County, Iowa · 082100201 · Structure no. 000000000070161

Built: 1989; 36 years old
Condition: Good; inspected April 2023
Type: Culvert; Concrete Continuous
Length: 24 ft; 2 main spans
Daily traffic: 20; 2022 count
Owner: County; County Highway Agency

About this bridge

Local over Br Mud Ck is a concrete continuous culvert carrying Local over Br Mud Ck in Benton County, Iowa. It was built in 1989, so it is 36 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 20 vehicles a day, projected to reach 20 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesLocal

CrossesBr Mud Ck

Location082100201

RouteCounty Highway 0

CountyBenton County

StateIowa

Coordinates41.94906, -91.98691

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
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.
Culvert	7 Good	Some minor problems.

Last inspectionApril 2023

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 Continuous

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 2043

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 Br Mud Ck built?

It was built in 1989, making it 36 years old in 2025.

What condition is Local over Br Mud Ck 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 April 2023.

How much traffic does Local over Br Mud Ck carry?

About 20 vehicles per day (2022 count).

How long is Local over Br Mud Ck?

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

Who owns Local over Br Mud Ck?

It is owned by the County Highway Agency.