US Bridges

TR 271 over Rock Creek

FairPosted for load

Woodford County, Illinois · 75 N 1850 E · Structure no. 102310900000000

Built
1965
60 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete Continuous
Length
81 ft
3 main spans
Daily traffic
100
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 271 over Rock Creek is a concrete continuous slab carrying TR 271 over Rock Creek in Woodford County, Illinois. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, projected to reach 101 by 2046. The structure is 81 ft (24.7 m) long and 28 ft wide.

Location

Open in Google Maps
CarriesTR 271
CrossesRock Creek
Location75 N 1850 E
RouteCounty Highway 0
CountyWoodford County
StateIllinois
Coordinates40.59944, -89.18384
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length81 ft (24.7 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic101 by 2046
Trucks0%
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 271 over Rock Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is TR 271 over Rock 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 February 2023.

How much traffic does TR 271 over Rock Creek carry?

About 100 vehicles per day (2020 count).

How long is TR 271 over Rock Creek?

The structure is 81 ft (24.7 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns TR 271 over Rock Creek?

It is owned by the Town or Township Highway Agency.