US Bridges

TR 129 B over Paper Mill Branch

FairPosted for load

Christian County, Illinois · 2.5 MI N Taylorville · Structure no. 011309900000000

Built
1956
69 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
750
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 129 B over Paper Mill Branch is a steel stringer/multi-beam or girder carrying TR 129 B over Paper Mill Branch in Christian County, Illinois. It was built in 1956, so it is 69 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 750 vehicles a day, roughly 4% of them trucks, projected to reach 758 by 2046. The structure is 31 ft (9.4 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR 129 B
CrossesPaper Mill Branch
Location2.5 MI N Taylorville
RouteCounty Highway 0
CountyChristian County
StateIllinois
Coordinates39.59634, -89.29437
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.8 US tons
Inventory rating9.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2021)
Projected traffic758 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$111,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 129 B over Paper Mill Branch built?

It was built in 1956, making it 69 years old in 2025.

What condition is TR 129 B over Paper Mill 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 November 2024.

How much traffic does TR 129 B over Paper Mill Branch carry?

About 750 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is TR 129 B over Paper Mill Branch?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 27 ft wide.

Who owns TR 129 B over Paper Mill Branch?

It is owned by the Town or Township Highway Agency.