US Bridges

Freemont Rd. over Helmer Creek

Fair

Jones County, Iowa · 085042004 · Structure no. 000000000208571

Built
1976
49 years old
Condition
Fair
inspected November 2022
Type
Channel Beam
Concrete
Length
57 ft
2 main spans
Daily traffic
88
2022 count
Owner
County
County Highway Agency

About this bridge

Freemont Rd. over Helmer Creek is a concrete channel beam carrying Freemont Rd. over Helmer Creek in Jones County, Iowa. It was built in 1976, so it is 49 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 88 vehicles a day, projected to reach 88 by 2043. The structure is 57 ft (17.4 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFreemont Rd.
CrossesHelmer Creek
Location085042004
RouteCounty Highway 0
CountyJones County
StateIowa
Coordinates42.15185, -91.34539
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2022
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating23.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 20
Structure length57 ft (17.4 m)
Longest span31 ft (9.4 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic88 (2022)
Projected traffic88 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Freemont Rd. over Helmer Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Freemont Rd. over Helmer Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2022.

How much traffic does Freemont Rd. over Helmer Creek carry?

About 88 vehicles per day (2022 count).

How long is Freemont Rd. over Helmer Creek?

The structure is 57 ft (17.4 m) long with a longest span of 31 ft (9.4 m) and a deck 26 ft wide.

Who owns Freemont Rd. over Helmer Creek?

It is owned by the County Highway Agency.