US Bridges

Rt Z S over Long Br

Good

Monroe County, Missouri · S 26 T 53 N R 9 W · Structure no. 2125

Built
1969
56 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
211 ft
3 main spans
Daily traffic
127
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Z S over Long Br is a steel continuous stringer/multi-beam or girder carrying Rt Z S over Long Br in Monroe County, Missouri. It was built in 1969, so it is 56 years old, older than the Missouri average of 45.1 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 127 vehicles a day, roughly 13% of them trucks, projected to reach 184 by 2044. The structure is 211 ft (64.3 m) long and 31 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesRt Z S
CrossesLong Br
LocationS 26 T 53 N R 9 W
RouteState Highway 0Z
Coordinates39.34132, -91.89231
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating20.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length211 ft (64.3 m)
Longest span82 ft (25 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic127 (2024)
Projected traffic184 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Rt Z S over Long Br built?

It was built in 1969, making it 56 years old in 2025.

What condition is Rt Z S over Long Br 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 October 2024.

How much traffic does Rt Z S over Long Br carry?

About 127 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Rt Z S over Long Br?

The structure is 211 ft (64.3 m) long with a longest span of 82 ft (25 m) and a deck 31 ft wide.

Who owns Rt Z S over Long Br?

It is owned by the State Highway Agency.