US Bridges

Station Street over Otter Creek

Good

Tama County, Iowa · 082130804 · Structure no. 000000000001881

Built
2007
18 years old
Condition
Good
inspected September 2022
Type
Slab
Concrete Continuous
Length
170 ft
15 main spans
Daily traffic
759
2022 count
Owner
County
County Highway Agency

About this bridge

Station Street over Otter Creek is a concrete continuous slab carrying Station Street over Otter Creek in Tama County, Iowa. It was built in 2007, so it is 18 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 759 vehicles a day, projected to reach 759 by 2043. The structure is 170 ft (51.8 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesStation Street
CrossesOtter Creek
Location082130804
RouteCity Street 0
StateIowa
Coordinates41.92148, -92.39461
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating90.8 US tons
Inventory rating54.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span48 ft (14.6 m)
Deck width39 ft (11.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic759 (2022)
Projected traffic759 by 2043
Trucks0%
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

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 Station Street over Otter Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Station Street over Otter 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 September 2022.

How much traffic does Station Street over Otter Creek carry?

About 759 vehicles per day (2022 count).

How long is Station Street over Otter Creek?

The structure is 170 ft (51.8 m) long with a longest span of 48 ft (14.6 m) and a deck 39 ft wide.

Who owns Station Street over Otter Creek?

It is owned by the County Highway Agency.