US Bridges

10th ST SW over Otter Creek

PoorPosted for load

Fayette County, Iowa · 000000000 · Structure no. 000000000008920

Built
1963
62 years old
Condition
Poor
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
154 ft
3 main spans
Daily traffic
820
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

10th ST SW over Otter Creek is a steel continuous stringer/multi-beam or girder carrying 10th ST SW over Otter Creek in Fayette County, Iowa. It was built in 1963, so it is 62 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 4 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 820 vehicles a day, projected to reach 820 by 2043. The structure is 154 ft (46.9 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries10th ST SW
CrossesOtter Creek
Location000000000
RouteCity Street 0
StateIowa
Coordinates42.66373, -91.92056
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating26.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length154 ft (46.9 m)
Longest span59 ft (18 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic820 (2021)
Projected traffic820 by 2043
Trucks0%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 10th ST SW over Otter Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is 10th ST SW 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 February 2023.

How much traffic does 10th ST SW over Otter Creek carry?

About 820 vehicles per day (2021 count).

How long is 10th ST SW over Otter Creek?

The structure is 154 ft (46.9 m) long with a longest span of 59 ft (18 m) and a deck 26 ft wide.

Who owns 10th ST SW over Otter Creek?

It is owned by the City or Municipal Highway Agency.