US Bridges

TR 9 over S Branch Salt Creek

Fair

Piatt County, Illinois · 1 MI W of Harris · Structure no. 074317000000000

Built
1978
47 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
93 ft
3 main spans
Daily traffic
50
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 9 over S Branch Salt Creek is a steel continuous stringer/multi-beam or girder carrying TR 9 over S Branch Salt Creek in Piatt County, Illinois. It was built in 1978, so it is 47 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 51 by 2046. The structure is 93 ft (28.3 m) long and 27 ft wide.

CarriesTR 9
CrossesS Branch Salt Creek
Location1 MI W of Harris
RouteCounty Highway 0
Coordinates40.23437, -88.60953
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span35 ft (10.7 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic51 by 2046
Trucks2%
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 9 over S Branch Salt Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is TR 9 over S Branch Salt Creek 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 2023.

How much traffic does TR 9 over S Branch Salt Creek carry?

About 50 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is TR 9 over S Branch Salt Creek?

The structure is 93 ft (28.3 m) long with a longest span of 35 ft (10.7 m) and a deck 27 ft wide.

Who owns TR 9 over S Branch Salt Creek?

It is owned by the Town or Township Highway Agency.