Local over Branch Otter Creek

Good

Tama County, Iowa · 083150101 · Structure no. 000000000317991

Built: 1994; 31 years old
Condition: Good; inspected September 2022
Type: Culvert; Steel
Length: 20 ft; 2 main spans
Daily traffic: —; 2022 count
Owner: County; County Highway Agency

About this bridge

Local over Branch Otter Creek is a steel culvert carrying Local over Branch Otter Creek in Tama County, Iowa. It was built in 1994, so it is 31 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.

No traffic count is recorded. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesLocal

CrossesBranch Otter Creek

Location083150101

RouteCounty Highway 0

CountyTama County

StateIowa

Coordinates42.03601, -92.55178

Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

Component	Rating	Meaning
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.
Culvert	7 Good	Some minor problems.

Last inspectionSeptember 2022

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation7: Better than present minimum criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating48.6 US tons

Inventory rating36 US tons

Structure

Structure typeCulvert

MaterialSteel

DeckNot applicable

Main spans2

Design loadUnknown

Structure length20 ft (6.1 m)

Longest span9 ft (2.7 m)

Deck width0 ft (0 m)

Roadway width0 ft (0 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—

Projected traffic—

Trucks0%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed98.8 mi (159 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 proposedOther structural work, including hydraulic replacements

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Branch Otter Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Local over Branch 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 2022.

How much traffic does Local over Branch Otter Creek carry?

No traffic count is recorded for this structure.

How long is Local over Branch Otter Creek?

The structure is 20 ft (6.1 m) long with a longest span of 9 ft (2.7 m).

Who owns Local over Branch Otter Creek?

It is owned by the County Highway Agency.