US Bridges

US 45-FAS 961 over Davis Bayou

Good

Massac County, Illinois · Brookport · Structure no. 064200200000000

Built
1994
31 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
4,050
2023 count
Owner
State
State Highway Agency

About this bridge

US 45-FAS 961 over Davis Bayou is a concrete continuous culvert carrying US 45-FAS 961 over Davis Bayou in Massac County, Illinois. It was built in 1994, so it is 31 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,050 vehicles a day, roughly 3% of them trucks, projected to reach 5,555 by 2046. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 45-FAS 961
CrossesDavis Bayou
LocationBrookport
RouteU.S. Route 45
Coordinates37.12899, -88.62789
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating50.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,050 (2023)
Projected traffic5,555 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 45-FAS 961 over Davis Bayou built?

It was built in 1994, making it 31 years old in 2025.

What condition is US 45-FAS 961 over Davis Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2022.

How much traffic does US 45-FAS 961 over Davis Bayou carry?

About 4,050 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US 45-FAS 961 over Davis Bayou?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3.2 m).

Who owns US 45-FAS 961 over Davis Bayou?

It is owned by the State Highway Agency.