US Bridges

I-72 / US 36 over Miss R/Bnrr/Nsrr/St

Poor

Pike County, Illinois · Hannibal Mo · Structure no. 075015100000000

Built
1999
26 years old
Condition
Poor
inspected August 2023
Type
Truss - Thru
Steel
Length
4,490 ft
1 main span
Daily traffic
16,500
2023 count
Owner
State
State Highway Agency

About this bridge

I-72 / US 36 over Miss R/Bnrr/Nsrr/St is a steel truss - thru carrying I-72 / US 36 over Miss R/Bnrr/Nsrr/St in Pike County, Illinois. It was built in 1999, so it is 26 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 16,500 vehicles a day, roughly 24% of them trucks, projected to reach 19,952 by 2046. The structure is 4,490 ft (1,368.6 m) long and 86 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

Location

Open in Google Maps
CarriesI-72 / US 36
CrossesMiss R/Bnrr/Nsrr/St
LocationHannibal Mo
RouteInterstate 72
CountyPike County
StateIllinois
Coordinates39.72036, -91.35776
Functional classRural Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+30 approach)
Design loadHS 20
Structure length4,490 ft (1,368.6 m)
Longest span640 ft (195.1 m)
Deck width86 ft (26.1 m)
Roadway width81 ft (24.7 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic16,500 (2023)
Projected traffic19,952 by 2046
Trucks24%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed44.7 mi (72 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was I-72 / US 36 over Miss R/Bnrr/Nsrr/St built?

It was built in 1999, making it 26 years old in 2025.

What condition is I-72 / US 36 over Miss R/Bnrr/Nsrr/St in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does I-72 / US 36 over Miss R/Bnrr/Nsrr/St carry?

About 16,500 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is I-72 / US 36 over Miss R/Bnrr/Nsrr/St?

The structure is 4,490 ft (1,368.6 m) long with a longest span of 640 ft (195.1 m) and a deck 86 ft wide.

Who owns I-72 / US 36 over Miss R/Bnrr/Nsrr/St?

It is owned by the State Highway Agency.