US Bridges

Old SH 36 over Brazos River Rel

Good

Brazoria County, Texas · 1.30 MI E of SH 36 · Structure no. 120200AA1097004

Built
2011
14 years old
Condition
Good
inspected November 2023
Type
Other
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
250
2012 count
Owner
County
County Highway Agency

About this bridge

Old SH 36 over Brazos River Rel is a prestressed concrete other carrying Old SH 36 over Brazos River Rel in Brazoria County, Texas. It was built in 2011, so it is 14 years old, younger than the Texas average of 44.4 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 250 vehicles a day, roughly 1% of them trucks, projected to reach 300 by 2032. The structure is 50 ft (15.2 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld SH 36
CrossesBrazos River Rel
Location1.30 MI E of SH 36
RouteCounty Highway 0
StateTexas
Coordinates28.96149, -95.38749
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2012)
Projected traffic300 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Old SH 36 over Brazos River Rel built?

It was built in 2011, making it 14 years old in 2025.

What condition is Old SH 36 over Brazos River Rel 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 Old SH 36 over Brazos River Rel carry?

About 250 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is Old SH 36 over Brazos River Rel?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns Old SH 36 over Brazos River Rel?

It is owned by the County Highway Agency.