US Bridges

Loc 350th ST over Mud Creek

FairPosted for load

Kossuth County, Iowa · 098293603 · Structure no. 000000000216611

Built
1978
47 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
112
2021 count
Owner
County
County Highway Agency

About this bridge

Loc 350th ST over Mud Creek is a concrete continuous slab carrying Loc 350th ST over Mud Creek in Kossuth County, Iowa. It was built in 1978, so it is 47 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 112 vehicles a day, projected to reach 112 by 2043. The structure is 102 ft (31 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLoc 350th ST
CrossesMud Creek
Location098293603
RouteCounty Highway 0
CountyKossuth County
StateIowa
Coordinates43.26947, -94.20876
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length102 ft (31 m)
Longest span39 ft (11.9 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112 (2021)
Projected traffic112 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Loc 350th ST over Mud Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Loc 350th ST 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 May 2023.

How much traffic does Loc 350th ST over Mud Creek carry?

About 112 vehicles per day (2021 count).

How long is Loc 350th ST over Mud Creek?

The structure is 102 ft (31 m) long with a longest span of 39 ft (11.9 m) and a deck 26 ft wide.

Who owns Loc 350th ST over Mud Creek?

It is owned by the County Highway Agency.