US Bridges

270th ST over Deer Creek Tributary

Good

Plymouth County, Iowa · 9143320134 · Structure no. 000000000272381

Built
2023
2 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

270th ST over Deer Creek Tributary is a concrete culvert carrying 270th ST over Deer Creek Tributary in Plymouth County, Iowa. It was built in 2023, so it is 2 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 15 vehicles a day, projected to reach 15 by 2044. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries270th ST
CrossesDeer Creek Tributary
Location9143320134
RouteCounty Highway 0
CountyPlymouth County
StateIowa
Coordinates42.66316, -95.95108
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating41.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$158,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 270th ST over Deer Creek Tributary built?

It was built in 2023, making it 2 years old in 2025.

What condition is 270th ST over Deer Creek Tributary 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 270th ST over Deer Creek Tributary carry?

About 15 vehicles per day (2022 count).

How long is 270th ST over Deer Creek Tributary?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m).

Who owns 270th ST over Deer Creek Tributary?

It is owned by the County Highway Agency.