US Bridges

Ch 10-FAS 732 over Unser Branch

Fair

Christian County, Illinois · 2.75 M W Morrisonvil · Structure no. 011302700000000

Built
1952
73 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
63 ft
3 main spans
Daily traffic
850
2024 count
Owner
County
County Highway Agency

About this bridge

Ch 10-FAS 732 over Unser Branch is a steel continuous stringer/multi-beam or girder carrying Ch 10-FAS 732 over Unser Branch in Christian County, Illinois. It was built in 1952, so it is 73 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 850 vehicles a day, roughly 14% of them trucks, projected to reach 758 by 2046. The structure is 63 ft (19.2 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCh 10-FAS 732
CrossesUnser Branch
Location2.75 M W Morrisonvil
RouteCounty Highway 0
CountyChristian County
StateIllinois
Coordinates39.42181, -89.51745
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating19.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length63 ft (19.2 m)
Longest span23 ft (7 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2024)
Projected traffic758 by 2046
Trucks14%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Ch 10-FAS 732 over Unser Branch built?

It was built in 1952, making it 73 years old in 2025.

What condition is Ch 10-FAS 732 over Unser 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 2023.

How much traffic does Ch 10-FAS 732 over Unser Branch carry?

About 850 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Ch 10-FAS 732 over Unser Branch?

The structure is 63 ft (19.2 m) long with a longest span of 23 ft (7 m) and a deck 29 ft wide.

Who owns Ch 10-FAS 732 over Unser Branch?

It is owned by the County Highway Agency.