US Bridges

Local over Br of South Otter Creek

PoorPosted for load

Lucas County, Iowa · 072230805 · Structure no. 000000000226570

Built
1966
59 years old
Condition
Poor
inspected November 2024
Type
Truss - Thru
Steel
Length
37 ft
1 main span
Daily traffic
41
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Br of South Otter Creek is a steel truss - thru carrying Local over Br of South Otter Creek in Lucas County, Iowa. It was built in 1966, so it is 59 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 41 vehicles a day, projected to reach 41 by 2044. The structure is 37 ft (11.3 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal
CrossesBr of South Otter Creek
Location072230805
RouteCounty Highway 0
StateIowa
Coordinates41.05443, -93.5228
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating4.9 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span36 ft (11 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2022)
Projected traffic41 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$594,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Br of South Otter Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Local over Br of South Otter Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Local over Br of South Otter Creek carry?

About 41 vehicles per day (2022 count).

How long is Local over Br of South Otter Creek?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 16 ft wide.

Who owns Local over Br of South Otter Creek?

It is owned by the County Highway Agency.