US Bridges

Upton ST over Long Branch

Good

Marion County, Iowa · 074212407 · Structure no. 000000000239441

Built
2014
11 years old
Condition
Good
inspected December 2024
Type
Slab
Steel
Length
56 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Upton ST over Long Branch is a steel slab carrying Upton ST over Long Branch in Marion County, Iowa. It was built in 2014, so it is 11 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 26 vehicles a day, projected to reach 26 by 2044. The structure is 56 ft (17.1 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesUpton ST
CrossesLong Branch
Location074212407
RouteCounty Highway 0
CountyMarion County
StateIowa
Coordinates41.19692, -93.21453
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating91.4 US tons
Inventory rating54.8 US tons

Structure

Structure typeSlab
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span54 ft (16.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Upton ST over Long Branch built?

It was built in 2014, making it 11 years old in 2025.

What condition is Upton ST over Long Branch 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 December 2024.

How much traffic does Upton ST over Long Branch carry?

About 26 vehicles per day (2022 count).

How long is Upton ST over Long Branch?

The structure is 56 ft (17.1 m) long with a longest span of 54 ft (16.5 m) and a deck 24 ft wide.

Who owns Upton ST over Long Branch?

It is owned by the County Highway Agency.