US Bridges

Hillsboro Walshvil over Middle Fk Shoal Ck

Fair

Montgomery County, Illinois · 1.2 MI W Hillsboro · Structure no. 068301700000000

Built
1958
67 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
178 ft
4 main spans
Daily traffic
1,100
2020 count
Owner
County
County Highway Agency

About this bridge

Hillsboro Walshvil over Middle Fk Shoal Ck is a prestressed concrete box beam or girders - multiple carrying Hillsboro Walshvil over Middle Fk Shoal Ck in Montgomery County, Illinois. It was built in 1958, so it is 67 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 1,100 vehicles a day, roughly 5% of them trucks, projected to reach 1,111 by 2046. The structure is 178 ft (54.3 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHillsboro Walshvil
CrossesMiddle Fk Shoal Ck
Location1.2 MI W Hillsboro
RouteCounty Highway 0
Coordinates39.14151, -89.51387
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.9 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 15
Structure length178 ft (54.3 m)
Longest span44 ft (13.4 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2020)
Projected traffic1,111 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Hillsboro Walshvil over Middle Fk Shoal Ck built?

It was built in 1958, making it 67 years old in 2025.

What condition is Hillsboro Walshvil over Middle Fk Shoal Ck 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 January 2025.

How much traffic does Hillsboro Walshvil over Middle Fk Shoal Ck carry?

About 1,100 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Hillsboro Walshvil over Middle Fk Shoal Ck?

The structure is 178 ft (54.3 m) long with a longest span of 44 ft (13.4 m) and a deck 24 ft wide.

Who owns Hillsboro Walshvil over Middle Fk Shoal Ck?

It is owned by the County Highway Agency.