US Bridges

Montgomery CO TR 7 over South Fork

Fair

Christian County, Illinois · 5.8 MI SW Rosamond · Structure no. 011337700000000

Built
1998
27 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
150
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Montgomery CO TR 7 over South Fork is a prestressed concrete box beam or girders - multiple carrying Montgomery CO TR 7 over South Fork in Christian County, Illinois. It was built in 1998, so it is 27 years old, younger 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 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 150 vehicles a day, roughly 13% of them trucks, projected to reach 152 by 2046. The structure is 64 ft (19.5 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMontgomery CO TR 7
CrossesSouth Fork
Location5.8 MI SW Rosamond
RouteCounty Highway 0
CountyChristian County
StateIllinois
Coordinates39.34869, -89.26139
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span61 ft (18.7 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2020)
Projected traffic152 by 2046
Trucks13%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Montgomery CO TR 7 over South Fork built?

It was built in 1998, making it 27 years old in 2025.

What condition is Montgomery CO TR 7 over South Fork 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 December 2024.

How much traffic does Montgomery CO TR 7 over South Fork carry?

About 150 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is Montgomery CO TR 7 over South Fork?

The structure is 64 ft (19.5 m) long with a longest span of 61 ft (18.7 m) and a deck 24 ft wide.

Who owns Montgomery CO TR 7 over South Fork?

It is owned by the Town or Township Highway Agency.