US Bridges

Center Pt. Rd. over West Otter Creek

Good

Linn County, Iowa · 085083610 · Structure no. 000000000033841

Built
2004
21 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
1,463
2022 count
Owner
County
County Highway Agency

About this bridge

Center Pt. Rd. over West Otter Creek is a concrete continuous slab carrying Center Pt. Rd. over West Otter Creek in Linn County, Iowa. It was built in 2004, so it is 21 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 1,463 vehicles a day, roughly 12% of them trucks, projected to reach 1,463 by 2044. The structure is 125 ft (38.1 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCenter Pt. Rd.
CrossesWest Otter Creek
Location085083610
RouteCounty Highway 0
CountyLinn County
StateIowa
Coordinates42.12994, -91.71807
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating55.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span49 ft (14.9 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,463 (2022)
Projected traffic1,463 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Center Pt. Rd. over West Otter Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Center Pt. Rd. over West 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 2024.

How much traffic does Center Pt. Rd. over West Otter Creek carry?

About 1,463 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Center Pt. Rd. over West Otter Creek?

The structure is 125 ft (38.1 m) long with a longest span of 49 ft (14.9 m) and a deck 43 ft wide.

Who owns Center Pt. Rd. over West Otter Creek?

It is owned by the County Highway Agency.