US Bridges

Rockwood Ave over Middle 102 River

Good

Taylor County, Iowa · 070331302 · Structure no. 000000000323501

Built
2019
6 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
29
2021 count
Owner
County
County Highway Agency

About this bridge

Rockwood Ave over Middle 102 River is a concrete continuous slab carrying Rockwood Ave over Middle 102 River in Taylor County, Iowa. It was built in 2019, so it is 6 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 29 vehicles a day, projected to reach 29 by 2043. The structure is 94 ft (28.7 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesRockwood Ave
CrossesMiddle 102 River
Location070331302
RouteCounty Highway 0
CountyTaylor County
StateIowa
Coordinates40.86815, -94.60508
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length94 ft (28.7 m)
Longest span36 ft (11 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2021)
Projected traffic29 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Rockwood Ave over Middle 102 River built?

It was built in 2019, making it 6 years old in 2025.

What condition is Rockwood Ave over Middle 102 River 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 May 2023.

How much traffic does Rockwood Ave over Middle 102 River carry?

About 29 vehicles per day (2021 count).

How long is Rockwood Ave over Middle 102 River?

The structure is 94 ft (28.7 m) long with a longest span of 36 ft (11 m) and a deck 27 ft wide.

Who owns Rockwood Ave over Middle 102 River?

It is owned by the County Highway Agency.