US Bridges

US 87/SH 29 over Koocks Branch

Good

Mason County, Texas · 0.9 MI S of US 377 · Structure no. 141570007103073

Built
2015
10 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
7,181
2020 count
Owner
State
State Highway Agency

About this bridge

US 87/SH 29 over Koocks Branch is a concrete culvert carrying US 87/SH 29 over Koocks Branch in Mason County, Texas. It was built in 2015, so it is 10 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 7,181 vehicles a day, roughly 12% of them trucks, projected to reach 9,520 by 2032. The structure is 24 ft (7.3 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 87/SH 29
CrossesKoocks Branch
Location0.9 MI S of US 377
RouteU.S. Route 87
CountyMason County
StateTexas
Coordinates30.75199, -99.23901
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width80 ft (24.4 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,181 (2020)
Projected traffic9,520 by 2032
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 US 87/SH 29 over Koocks Branch built?

It was built in 2015, making it 10 years old in 2025.

What condition is US 87/SH 29 over Koocks Branch 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 June 2023.

How much traffic does US 87/SH 29 over Koocks Branch carry?

About 7,181 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is US 87/SH 29 over Koocks Branch?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 80 ft wide.

Who owns US 87/SH 29 over Koocks Branch?

It is owned by the State Highway Agency.