US Bridges

Vine ST over Rock Falls Creek

Poor

Cerro Gordo County, Iowa · 097190302 · Structure no. 000000000106430

Built
1966
59 years old
Condition
Poor
inspected January 2024
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
324
2022 count
Owner
County
County Highway Agency

About this bridge

Vine ST over Rock Falls Creek is a concrete channel beam carrying Vine ST over Rock Falls Creek in Cerro Gordo County, Iowa. It was built in 1966, so it is 59 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 324 vehicles a day, roughly 9% of them trucks, projected to reach 324 by 2044. The structure is 31 ft (9.4 m) long and 29 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesVine ST
CrossesRock Falls Creek
Location097190302
RouteCounty Highway 0
StateIowa
Coordinates43.25324, -93.08362
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating43.5 US tons
Inventory rating26.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width29 ft (8.8 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic324 (2022)
Projected traffic324 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$179,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Vine ST over Rock Falls Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Vine ST over Rock Falls Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does Vine ST over Rock Falls Creek carry?

About 324 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Vine ST over Rock Falls Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 29 ft wide.

Who owns Vine ST over Rock Falls Creek?

It is owned by the County Highway Agency.