US Bridges

TR 341 over Jimtown Branch

Fair

Pike County, Illinois · 1.0 MI E Rockport · Structure no. 075315000000000

Built
1930
95 years old
Condition
Fair
inspected April 2024
Type
Other
Concrete
Length
23 ft
1 main span
Daily traffic
100
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 341 over Jimtown Branch is a concrete other carrying TR 341 over Jimtown Branch in Pike 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 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 100 vehicles a day, roughly 25% of them trucks, projected to reach 116 by 2046. The structure is 23 ft (7 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 341
CrossesJimtown Branch
Location1.0 MI E Rockport
RouteCounty Highway 0
CountyPike County
StateIllinois
Coordinates39.54076, -90.98152
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating19.3 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic116 by 2046
Trucks25%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 341 over Jimtown Branch built?

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

What condition is TR 341 over Jimtown Branch 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 April 2024.

How much traffic does TR 341 over Jimtown Branch carry?

About 100 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is TR 341 over Jimtown Branch?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 19 ft wide.

Who owns TR 341 over Jimtown Branch?

It is owned by the Town or Township Highway Agency.