25th Ave over Mud Creek

Good

Benton County, Iowa · 085102818 · Structure no. 000000000072661

Built: 2013; 12 years old
Condition: Good; inspected April 2024
Type: Slab; Concrete Continuous
Length: 153 ft; 3 main spans
Daily traffic: 78; 2022 count
Owner: County; County Highway Agency

About this bridge

25th Ave over Mud Creek is a concrete continuous slab carrying 25th Ave over Mud Creek in Benton County, Iowa. It was built in 2013, so it is 12 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 78 vehicles a day, projected to reach 78 by 2044. The structure is 153 ft (46.6 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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Carries25th Ave

CrossesMud Creek

Location085102818

RouteCounty Highway 0

CountyBenton County

StateIowa

Coordinates42.13967, -92.01441

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	8 Very Good	No problems noted.
Superstructure	8 Very Good	No problems noted.
Substructure	8 Very Good	No problems noted.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionApril 2024

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation8: Equal to present desirable criteria

Deck geometry7: Better than present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment7: Better than present minimum criteria

Operating rating59.6 US tons

Inventory rating46.1 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHL 93

Structure length153 ft (46.6 m)

Longest span59 ft (18 m)

Deck width33 ft (10.1 m)

Roadway width31 ft (9.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78 (2022)

Projected traffic78 by 2044

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—

NavigationNot applicable (no waterway)

Frequently asked questions

When was 25th Ave over Mud Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is 25th Ave over Mud 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 April 2024.

How much traffic does 25th Ave over Mud Creek carry?

About 78 vehicles per day (2022 count).

How long is 25th Ave over Mud Creek?

The structure is 153 ft (46.6 m) long with a longest span of 59 ft (18 m) and a deck 33 ft wide.

Who owns 25th Ave over Mud Creek?

It is owned by the County Highway Agency.