US Bridges

TR 300 over Trib of LA Moine R

FairPosted for load

Hancock County, Illinois · 0.2 MI N of LA Harpe · Structure no. 034452200000000

Built
1908
117 years old
Condition
Fair
inspected January 2025
Type
Arch - Deck
Concrete
Length
47 ft
1 main span
Daily traffic
75
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 300 over Trib of LA Moine R is a concrete arch - deck carrying TR 300 over Trib of LA Moine R in Hancock County, Illinois. It was built in 1908, so it is 117 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. Its operating status is: posted for load restriction.

It carries about 75 vehicles a day, projected to reach 76 by 2046. The structure is 47 ft (14.3 m) long and 21 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesTR 300
CrossesTrib of LA Moine R
Location0.2 MI N of LA Harpe
RouteCounty Highway 0
CountyHancock County
StateIllinois
Coordinates40.59311, -90.97624
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.7 US tons
Inventory rating19 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span45 ft (13.7 m)
Deck width21 ft (6.3 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic76 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 300 over Trib of LA Moine R built?

It was built in 1908, making it 117 years old in 2025.

What condition is TR 300 over Trib of LA Moine R 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 January 2025.

How much traffic does TR 300 over Trib of LA Moine R carry?

About 75 vehicles per day (2023 count).

How long is TR 300 over Trib of LA Moine R?

The structure is 47 ft (14.3 m) long with a longest span of 45 ft (13.7 m) and a deck 21 ft wide.

Who owns TR 300 over Trib of LA Moine R?

It is owned by the Town or Township Highway Agency.