US Bridges

TR 329 a over Bear Creek

Fair

Christian County, Illinois · 2.5 S Morrisonville · Structure no. 011325800000000

Built
1969
56 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
61 ft
3 main spans
Daily traffic
10
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 329 a over Bear Creek is a steel continuous stringer/multi-beam or girder carrying TR 329 a over Bear Creek in Christian County, Illinois. It was built in 1969, so it is 56 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 5 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 10 by 2046. The structure is 61 ft (18.6 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 329 a
CrossesBear Creek
Location2.5 S Morrisonville
RouteCounty Highway 0
Coordinates39.37786, -89.46631
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.2 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckWood or timber
Main spans3
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span22 ft (6.7 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2021)
Projected traffic10 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 329 a over Bear Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is TR 329 a over Bear 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 2024.

How much traffic does TR 329 a over Bear Creek carry?

About 10 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is TR 329 a over Bear Creek?

The structure is 61 ft (18.6 m) long with a longest span of 22 ft (6.7 m) and a deck 22 ft wide.

Who owns TR 329 a over Bear Creek?

It is owned by the Town or Township Highway Agency.