US Bridges

Lafayette RD over West Otter Creek

Good

Linn County, Iowa · 085082503 · Structure no. 000000000222591

Built
2007
18 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
246
2022 count
Owner
County
County Highway Agency

About this bridge

Lafayette RD over West Otter Creek is a concrete continuous slab carrying Lafayette RD over West Otter Creek in Linn 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 246 vehicles a day, projected to reach 246 by 2044. The structure is 128 ft (39 m) long and 31 ft wide.

CarriesLafayette RD
CrossesWest Otter Creek
Location085082503
RouteCounty Highway 0
StateIowa
Coordinates42.15035, -91.72261
Functional classRural Minor 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.2 US tons
Inventory rating58.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length128 ft (39 m)
Longest span49 ft (14.9 m)
Deck width31 ft (9.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic246 (2022)
Projected traffic246 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lafayette RD over West Otter Creek built?

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

What condition is Lafayette 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 Lafayette RD over West Otter Creek carry?

About 246 vehicles per day (2022 count).

How long is Lafayette RD over West Otter Creek?

The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 31 ft wide.

Who owns Lafayette RD over West Otter Creek?

It is owned by the County Highway Agency.