US Bridges

Local (lwc) over Mud Creek

Fair

Benton County, Iowa · 083102101 · Structure no. 000000000071111

Built
1988
37 years old
Condition
Fair
inspected April 2023
Type
Slab
Steel
Length
40 ft
1 main span
Daily traffic
79
2021 count
Owner
County
County Highway Agency

About this bridge

Local (lwc) over Mud Creek is a steel slab carrying Local (lwc) over Mud Creek in Benton County, Iowa. It was built in 1988, so it is 37 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 79 vehicles a day, projected to reach 79 by 2043. The structure is 40 ft (12.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLocal (lwc)
CrossesMud Creek
Location083102101
RouteCounty Highway 0
CountyBenton County
StateIowa
Coordinates41.99272, -92.02441
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.1 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span36 ft (11 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79 (2021)
Projected traffic79 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 (lwc) over Mud Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Local (lwc) over Mud Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Local (lwc) over Mud Creek carry?

About 79 vehicles per day (2021 count).

How long is Local (lwc) over Mud Creek?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (11 m) and a deck 30 ft wide.

Who owns Local (lwc) over Mud Creek?

It is owned by the County Highway Agency.