US Bridges

Timmerman Rd/Cr 7 over Big Lagrue Bayou

Good

Prairie County, Arkansas · 2.50 MI E US 79 Ulm · Structure no. 000000000004753

Built
1995
30 years old
Condition
Good
inspected November 2023
Type
Channel Beam
Concrete
Length
155 ft
5 main spans
Daily traffic
88
2018 count
Owner
County
County Highway Agency

About this bridge

Timmerman Rd/Cr 7 over Big Lagrue Bayou is a concrete channel beam carrying Timmerman Rd/Cr 7 over Big Lagrue Bayou in Prairie County, Arkansas. It was built in 1995, so it is 30 years old, younger than the Arkansas 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 88 vehicles a day, roughly 8% of them trucks, projected to reach 62 by 2014. The structure is 155 ft (47.2 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesTimmerman Rd/Cr 7
CrossesBig Lagrue Bayou
Location2.50 MI E US 79 Ulm
RouteCounty Highway 7
CountyPrairie County
StateArkansas
Coordinates34.57898, -91.4118
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic88 (2018)
Projected traffic62 by 2014
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Timmerman Rd/Cr 7 over Big Lagrue Bayou built?

It was built in 1995, making it 30 years old in 2025.

What condition is Timmerman Rd/Cr 7 over Big Lagrue 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 November 2023.

How much traffic does Timmerman Rd/Cr 7 over Big Lagrue Bayou carry?

About 88 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is Timmerman Rd/Cr 7 over Big Lagrue Bayou?

The structure is 155 ft (47.2 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Timmerman Rd/Cr 7 over Big Lagrue Bayou?

It is owned by the County Highway Agency.