US Bridges

TR 270 over Br of Oat Creek

PoorPosted for load

Henry County, Illinois · 6.0 MI SW Atkinson · Structure no. 037313900000000

Built
1890
135 years old
Condition
Poor
inspected April 2024
Type
Other
Concrete
Length
43 ft
1 main span
Daily traffic
25
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 270 over Br of Oat Creek is a concrete other carrying TR 270 over Br of Oat Creek in Henry County, Illinois. It was built in 1890, so it is 135 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, projected to reach 27 by 2046. The structure is 43 ft (13.1 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTR 270
CrossesBr of Oat Creek
Location6.0 MI SW Atkinson
RouteCounty Highway 0
Coordinates41.36898, -90.08222
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20.7 US tons
Inventory rating12.5 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span42 ft (12.8 m)
Deck width27 ft (8.2 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2020)
Projected traffic27 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$153,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 270 over Br of Oat Creek built?

It was built in 1890, making it 135 years old in 2025.

What condition is TR 270 over Br of Oat Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does TR 270 over Br of Oat Creek carry?

About 25 vehicles per day (2020 count).

How long is TR 270 over Br of Oat Creek?

The structure is 43 ft (13.1 m) long with a longest span of 42 ft (12.8 m) and a deck 27 ft wide.

Who owns TR 270 over Br of Oat Creek?

It is owned by the Town or Township Highway Agency.