US Bridges

Ia 9 over Dry Run Creek

Good

Osceola County, Iowa · 3.0 Mi. E of E JCT SR L58 · Structure no. 000000000038511

Built
1978
47 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
2,680
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 9 over Dry Run Creek is a concrete continuous slab carrying Ia 9 over Dry Run Creek in Osceola County, Iowa. It was built in 1978, so it is 47 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 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 2,680 vehicles a day, roughly 19% of them trucks, projected to reach 2,680 by 2044. The structure is 78 ft (23.8 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIa 9
CrossesDry Run Creek
Location3.0 Mi. E of E JCT SR L58
RouteState Highway 9
StateIowa
Coordinates43.43064, -95.47512
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating35.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span29 ft (8.8 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,680 (2022)
Projected traffic2,680 by 2044
Trucks19%
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

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 Dry Run Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Ia 9 over Dry Run 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 October 2024.

How much traffic does Ia 9 over Dry Run Creek carry?

About 2,680 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is Ia 9 over Dry Run Creek?

The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 47 ft wide.

Who owns Ia 9 over Dry Run Creek?

It is owned by the State Highway Agency.