US Bridges

Ia 9 over N Branch Turkey River

Good

Howard County, Iowa · 4.3 Mi. E. of US 63 · Structure no. 000000000028761

Built
2023
2 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
3,200
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 9 over N Branch Turkey River is a concrete continuous slab carrying Ia 9 over N Branch Turkey River in Howard 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 3,200 vehicles a day, roughly 14% of them trucks, projected to reach 3,200 by 2044. The structure is 101 ft (30.7 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIa 9
CrossesN Branch Turkey River
Location4.3 Mi. E. of US 63
RouteState Highway 9
CountyHoward County
StateIowa
Coordinates43.37095, -92.21373
Functional classRural Principal Arterial - Other

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 protection9 ExcellentNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating47.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length101 ft (30.7 m)
Longest span39 ft (11.9 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2022)
Projected traffic3,200 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ia 9 over N Branch Turkey River built?

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

What condition is Ia 9 over N Branch Turkey 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 January 2024.

How much traffic does Ia 9 over N Branch Turkey River carry?

About 3,200 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Ia 9 over N Branch Turkey River?

The structure is 101 ft (30.7 m) long with a longest span of 39 ft (11.9 m) and a deck 47 ft wide.

Who owns Ia 9 over N Branch Turkey River?

It is owned by the State Highway Agency.