US Bridges

Local over Parmentar Creek

Fair

Butler County, Iowa · 093182701 · Structure no. 000000000090031

Built
1987
38 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Parmentar Creek is a prestressed concrete tee beam carrying Local over Parmentar Creek in Butler County, Iowa. It was built in 1987, so it is 38 years old, younger 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 35 vehicles a day, projected to reach 35 by 2044. The structure is 51 ft (15.5 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLocal
CrossesParmentar Creek
Location093182701
RouteCounty Highway 0
StateIowa
Coordinates42.84769, -92.95138
Functional classRural Local

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 inspectionApril 2024
Inspection intervalevery 48 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79.4 US tons
Inventory rating41.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic35 by 2044
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$170,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Parmentar Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Local over Parmentar 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 April 2024.

How much traffic does Local over Parmentar Creek carry?

About 35 vehicles per day (2022 count).

How long is Local over Parmentar Creek?

The structure is 51 ft (15.5 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns Local over Parmentar Creek?

It is owned by the County Highway Agency.