US Bridges

Local over Otter Creek

Fair

Buchanan County, Iowa · 090091603 · Structure no. 000000000083911

Built
1997
28 years old
Condition
Fair
inspected December 2023
Type
Arch - Thru
Wood or Timber
Length
129 ft
1 main span
Daily traffic
295
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Otter Creek is a wood or timber arch - thru carrying Local over Otter Creek in Buchanan County, Iowa. It was built in 1997, so it is 28 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 295 vehicles a day, projected to reach 295 by 2043. The structure is 129 ft (39.3 m) long and 30 ft wide.

CarriesLocal
CrossesOtter Creek
Location090091603
RouteCounty Highway 0
StateIowa
Coordinates42.60381, -91.90915
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length129 ft (39.3 m)
Longest span129 ft (39.3 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic295 (2022)
Projected traffic295 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Local over Otter Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Local over Otter Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does Local over Otter Creek carry?

About 295 vehicles per day (2022 count).

How long is Local over Otter Creek?

The structure is 129 ft (39.3 m) long with a longest span of 129 ft (39.3 m) and a deck 30 ft wide.

Who owns Local over Otter Creek?

It is owned by the County Highway Agency.