US Bridges

TR 0349 over Mill Creek

Fair

Adams County, Illinois · 3.2 MI E Quincy · Structure no. 001324200000000

Built
1899
126 years old, rebuilt 1974
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
100 ft
3 main spans
Daily traffic
500
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 0349 over Mill Creek is a prestressed concrete box beam or girders - multiple carrying TR 0349 over Mill Creek in Adams County, Illinois. It was built in 1899 and reconstructed in 1974, so it is 126 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 500 vehicles a day, roughly 6% of them trucks, projected to reach 581 by 2046. The structure is 100 ft (30.5 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 0349
CrossesMill Creek
Location3.2 MI E Quincy
RouteCounty Highway 0
Coordinates39.9595, -91.27571
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating34.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length100 ft (30.5 m)
Longest span41 ft (12.4 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2024)
Projected traffic581 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 0349 over Mill Creek built?

It was built in 1899, making it 126 years old in 2025. It was reconstructed in 1974.

What condition is TR 0349 over Mill 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 April 2024.

How much traffic does TR 0349 over Mill Creek carry?

About 500 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is TR 0349 over Mill Creek?

The structure is 100 ft (30.5 m) long with a longest span of 41 ft (12.4 m) and a deck 28 ft wide.

Who owns TR 0349 over Mill Creek?

It is owned by the Town or Township Highway Agency.