US Bridges

270th ST over Indian River

Good

Sac County, Iowa · 088363201 · Structure no. 000000000300911

Built
2024
1 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
25
2023 count
Owner
County
County Highway Agency

About this bridge

270th ST over Indian River is a concrete culvert carrying 270th ST over Indian River in Sac County, Iowa. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 25 by 2044. The structure is 32 ft (9.8 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries270th ST
CrossesIndian River
Location088363201
RouteCounty Highway 0
CountySac County
StateIowa
Coordinates42.40036, -95.06628
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.
Culvert9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length32 ft (9.8 m)
Longest span14 ft (4.3 m)
Deck width41 ft (12.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic25 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 270th ST over Indian River built?

It was built in 2024, making it 1 years old in 2025.

What condition is 270th ST over Indian River 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 August 2024.

How much traffic does 270th ST over Indian River carry?

About 25 vehicles per day (2023 count).

How long is 270th ST over Indian River?

The structure is 32 ft (9.8 m) long with a longest span of 14 ft (4.3 m) and a deck 41 ft wide.

Who owns 270th ST over Indian River?

It is owned by the County Highway Agency.