US Bridges

TR 530 Foster LN over Conner Branch

Good

Marion County, Illinois · 4 M E of Iuka · Structure no. 061331600000000

Built
2012
13 years old
Condition
Good
inspected February 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
50
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 530 Foster LN over Conner Branch is a prestressed concrete box beam or girders - multiple carrying TR 530 Foster LN over Conner Branch in Marion County, Illinois. It was built in 2012, so it is 13 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 26% of them trucks, projected to reach 51 by 2046. The structure is 82 ft (25.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 530 Foster LN
CrossesConner Branch
Location4 M E of Iuka
RouteCounty Highway 0
Coordinates38.64194, -88.71204
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length82 ft (25.1 m)
Longest span80 ft (24.4 m)
Deck width24 ft (7.3 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic51 by 2046
Trucks26%
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

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 TR 530 Foster LN over Conner Branch built?

It was built in 2012, making it 13 years old in 2025.

What condition is TR 530 Foster LN over Conner Branch 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 2022.

How much traffic does TR 530 Foster LN over Conner Branch carry?

About 50 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is TR 530 Foster LN over Conner Branch?

The structure is 82 ft (25.1 m) long with a longest span of 80 ft (24.4 m) and a deck 24 ft wide.

Who owns TR 530 Foster LN over Conner Branch?

It is owned by the Town or Township Highway Agency.