US Bridges

TR 137 over Spring Creek

Good

LaSalle County, Illinois · 0.5 MI W. of US 52 · Structure no. 050361600000000

Built
1930
95 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
150
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 137 over Spring Creek is a concrete slab carrying TR 137 over Spring Creek in LaSalle County, Illinois. It was built in 1930, so it is 95 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 8% of them trucks, projected to reach 152 by 2046. The structure is 27 ft (8.3 m) long and 26 ft wide.

CarriesTR 137
CrossesSpring Creek
Location0.5 MI W. of US 52
RouteCounty Highway 0
Coordinates41.51269, -89.13756
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.3 m)
Longest span24 ft (7.2 m)
Deck width26 ft (8 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2020)
Projected traffic152 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 137 over Spring Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is TR 137 over Spring Creek 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 June 2024.

How much traffic does TR 137 over Spring Creek carry?

About 150 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is TR 137 over Spring Creek?

The structure is 27 ft (8.3 m) long with a longest span of 24 ft (7.2 m) and a deck 26 ft wide.

Who owns TR 137 over Spring Creek?

It is owned by the Town or Township Highway Agency.