US Bridges

Local over Otter Creek

PoorClosed to traffic

Lucas County, Iowa · 073230501 · Structure no. 000000000227740

Built
1910
115 years old
Condition
Poor
inspected November 2015
Type
Truss - Thru
Steel
Length
82 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Otter Creek is a steel truss - thru carrying Local over Otter Creek in Lucas County, Iowa. It was built in 1910, so it is 115 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 0 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: closed to all traffic.

It carries about 26 vehicles a day, projected to reach 26 by 2043. The structure is 82 ft (25 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal
CrossesOtter Creek
Location073230501
RouteCounty Highway 0
StateIowa
Coordinates41.16115, -93.53375
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
Deck0 FailedOut of service and beyond corrective action.
Superstructure0 FailedOut of service and beyond corrective action.
Substructure0 FailedOut of service and beyond corrective action.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2015
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length82 ft (25 m)
Longest span81 ft (24.7 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deck11 ft (3.4 m)

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Otter Creek built?

It was built in 1910, making it 115 years old in 2025.

What condition is Local over 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 2015.

How much traffic does Local over Otter Creek carry?

About 26 vehicles per day (2022 count).

How long is Local over Otter Creek?

The structure is 82 ft (25 m) long with a longest span of 81 ft (24.7 m) and a deck 18 ft wide.

Who owns Local over Otter Creek?

It is owned by the County Highway Agency.