US Bridges

150th ST over Branch Nodaway River

Good

Taylor County, Iowa · 070352907 · Structure no. 000000000324121

Built
2021
4 years old
Condition
Good
inspected May 2024
Type
Culvert
Steel
Length
20 ft
2 main spans
Daily traffic
29
2022 count
Owner
County
County Highway Agency

About this bridge

150th ST over Branch Nodaway River is a steel culvert carrying 150th ST over Branch Nodaway River in Taylor County, Iowa. It was built in 2021, so it is 4 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 29 vehicles a day, projected to reach 29 by 2044. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries150th ST
CrossesBranch Nodaway River
Location070352907
RouteCounty Highway 0
CountyTaylor County
StateIowa
Coordinates40.83158, -94.89617
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2022)
Projected traffic29 by 2044
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 150th ST over Branch Nodaway River built?

It was built in 2021, making it 4 years old in 2025.

What condition is 150th ST over Branch Nodaway 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 May 2024.

How much traffic does 150th ST over Branch Nodaway River carry?

About 29 vehicles per day (2022 count).

How long is 150th ST over Branch Nodaway River?

The structure is 20 ft (6.1 m) long with a longest span of 9 ft (2.7 m).

Who owns 150th ST over Branch Nodaway River?

It is owned by the County Highway Agency.