US Bridges

Local over Branch Mitchell Creek

Good

Jefferson County, Iowa · 072102801 · Structure no. 000000000201491

Built
1983
42 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete Continuous
Length
115 ft
3 main spans
Daily traffic
80
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Branch Mitchell Creek is a concrete continuous slab carrying Local over Branch Mitchell Creek in Jefferson County, Iowa. It was built in 1983, so it is 42 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.

It carries about 80 vehicles a day, projected to reach 80 by 2043. The structure is 115 ft (35.2 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal
CrossesBranch Mitchell Creek
Location072102801
RouteCounty Highway 0
StateIowa
Coordinates41.01725, -92.00978
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.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length115 ft (35.2 m)
Longest span44 ft (13.4 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2022)
Projected traffic80 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Branch Mitchell Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Local over Branch Mitchell 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 February 2023.

How much traffic does Local over Branch Mitchell Creek carry?

About 80 vehicles per day (2022 count).

How long is Local over Branch Mitchell Creek?

The structure is 115 ft (35.2 m) long with a longest span of 44 ft (13.4 m) and a deck 27 ft wide.

Who owns Local over Branch Mitchell Creek?

It is owned by the County Highway Agency.