US Bridges

Rohret RD over Branch Old Mans Creek

Good

Johnson County, Iowa · 079083001 · Structure no. 000000000204531

Built
2022
3 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete
Length
50 ft
1 main span
Daily traffic
90
2022 count
Owner
County
County Highway Agency

About this bridge

Rohret RD over Branch Old Mans Creek is a concrete slab carrying Rohret RD over Branch Old Mans Creek in Johnson County, Iowa. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 90 vehicles a day, projected to reach 90 by 2043. The structure is 50 ft (15.2 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRohret RD
CrossesBranch Old Mans Creek
Location079083001
RouteCounty Highway 0
StateIowa
Coordinates41.62946, -91.83164
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2022)
Projected traffic90 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rohret RD over Branch Old Mans Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is Rohret RD over Branch Old Mans 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 August 2023.

How much traffic does Rohret RD over Branch Old Mans Creek carry?

About 90 vehicles per day (2022 count).

How long is Rohret RD over Branch Old Mans Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 33 ft wide.

Who owns Rohret RD over Branch Old Mans Creek?

It is owned by the County Highway Agency.