US Bridges

Local over Middle Fork English Rvr

Good

Iowa County, Iowa · 078112502 · Structure no. 000000000188471

Built
2004
21 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
126 ft
3 main spans
Daily traffic
140
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Middle Fork English Rvr is a prestressed concrete stringer/multi-beam or girder carrying Local over Middle Fork English Rvr in Iowa County, Iowa. It was built in 2004, so it is 21 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 140 vehicles a day, projected to reach 140 by 2043. The structure is 126 ft (38.4 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLocal
CrossesMiddle Fork English Rvr
Location078112502
RouteCounty Highway 0
StateIowa
Coordinates41.53406, -92.0843
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating80 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length126 ft (38.4 m)
Longest span48 ft (14.6 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2022)
Projected traffic140 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Middle Fork English Rvr built?

It was built in 2004, making it 21 years old in 2025.

What condition is Local over Middle Fork English Rvr 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 February 2023.

How much traffic does Local over Middle Fork English Rvr carry?

About 140 vehicles per day (2022 count).

How long is Local over Middle Fork English Rvr?

The structure is 126 ft (38.4 m) long with a longest span of 48 ft (14.6 m) and a deck 27 ft wide.

Who owns Local over Middle Fork English Rvr?

It is owned by the County Highway Agency.