US Bridges

330th over Fish Creek

GoodPosted for load

Mitchell County, Iowa · 097161201 · Structure no. 000000000247411

Built
1974
51 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

330th over Fish Creek is a concrete continuous slab carrying 330th over Fish Creek in Mitchell County, Iowa. It was built in 1974, so it is 51 years old, older 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. Its operating status is: posted for load restriction.

It carries about 11 vehicles a day, projected to reach 11 by 2044. The structure is 78 ft (23.8 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries330th
CrossesFish Creek
Location097161201
RouteCounty Highway 0
StateIowa
Coordinates43.24157, -92.68355
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.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating37 US tons
Inventory rating24 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length78 ft (23.8 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2044
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 330th over Fish Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is 330th over Fish 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 January 2024.

How much traffic does 330th over Fish Creek carry?

About 11 vehicles per day (2022 count).

How long is 330th over Fish Creek?

The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns 330th over Fish Creek?

It is owned by the County Highway Agency.