US Bridges

TR 157 over Rooks CR & FAI 55

Fair

Livingston County, Illinois · 3 Mi.Sw of Pontiac · Structure no. 053012300000000

Built
1972
53 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
365 ft
2 main spans
Daily traffic
125
2023 count
Owner
State
State Highway Agency

About this bridge

TR 157 over Rooks CR & FAI 55 is a steel continuous box beam or girders - single or spread carrying TR 157 over Rooks CR & FAI 55 in Livingston County, Illinois. It was built in 1972, so it is 53 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 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 125 vehicles a day, roughly 33% of them trucks, projected to reach 152 by 2046. The structure is 365 ft (111.3 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR 157
CrossesRooks CR & FAI 55
Location3 Mi.Sw of Pontiac
RouteCounty Highway 0
CountyLivingston County
StateIllinois
Coordinates40.82927, -88.68539
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 alignment6: Equal to present minimum criteria
Operating rating83.6 US tons
Inventory rating44.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 15
Structure length365 ft (111.3 m)
Longest span162 ft (49.4 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic152 by 2046
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed3.7 mi (6 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 TR 157 over Rooks CR & FAI 55 built?

It was built in 1972, making it 53 years old in 2025.

What condition is TR 157 over Rooks CR & FAI 55 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 October 2024.

How much traffic does TR 157 over Rooks CR & FAI 55 carry?

About 125 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is TR 157 over Rooks CR & FAI 55?

The structure is 365 ft (111.3 m) long with a longest span of 162 ft (49.4 m) and a deck 30 ft wide.

Who owns TR 157 over Rooks CR & FAI 55?

It is owned by the State Highway Agency.