US Bridges

Il 49(FAP 832) over TR1B to Lamb Branch

Fair

Clark County, Illinois · .6 MI S of Westfield · Structure no. 012006100000000

Built
1985
40 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
1,650
2023 count
Owner
State
State Highway Agency

About this bridge

Il 49(FAP 832) over TR1B to Lamb Branch is a steel stringer/multi-beam or girder carrying Il 49(FAP 832) over TR1B to Lamb Branch in Clark County, Illinois. It was built in 1985, so it is 40 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 1,650 vehicles a day, roughly 17% of them trucks, projected to reach 1,364 by 2046. The structure is 52 ft (15.8 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIl 49(FAP 832)
CrossesTR1B to Lamb Branch
Location.6 MI S of Westfield
RouteState Highway 49
CountyClark County
StateIllinois
Coordinates39.43961, -87.98681
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating48.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span51 ft (15.5 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2023)
Projected traffic1,364 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Il 49(FAP 832) over TR1B to Lamb Branch built?

It was built in 1985, making it 40 years old in 2025.

What condition is Il 49(FAP 832) over TR1B to Lamb Branch 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 September 2023.

How much traffic does Il 49(FAP 832) over TR1B to Lamb Branch carry?

About 1,650 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Il 49(FAP 832) over TR1B to Lamb Branch?

The structure is 52 ft (15.8 m) long with a longest span of 51 ft (15.5 m) and a deck 35 ft wide.

Who owns Il 49(FAP 832) over TR1B to Lamb Branch?

It is owned by the State Highway Agency.