US Bridges

SH 87 over Slough

Fair

Newton County, Texas · 2.85 MI N of FM 363 · Structure no. 201760030502049

Built
1961
64 years old, rebuilt 2003
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
75 ft
6 main spans
Daily traffic
2,299
2020 count
Owner
State
State Highway Agency

About this bridge

SH 87 over Slough is a concrete culvert carrying SH 87 over Slough in Newton County, Texas. It was built in 1961 and reconstructed in 2003, so it is 64 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 2,299 vehicles a day, roughly 16% of them trucks, projected to reach 3,060 by 2033. The structure is 75 ft (22.9 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSH 87
CrossesSlough
Location2.85 MI N of FM 363
RouteState Highway 87
CountyNewton County
StateTexas
Coordinates30.73303, -93.82609
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadOther
Structure length75 ft (22.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,299 (2020)
Projected traffic3,060 by 2033
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$45,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 87 over Slough built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2003.

What condition is SH 87 over Slough 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 March 2024.

How much traffic does SH 87 over Slough carry?

About 2,299 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is SH 87 over Slough?

The structure is 75 ft (22.9 m) long with a longest span of 12 ft (3.7 m).

Who owns SH 87 over Slough?

It is owned by the State Highway Agency.