US Bridges

Silo Hill Road over Tributary Long Branch

Good

McLennan County, Texas · 0.15 MI E of FM 2643 · Structure no. 091610AA0849001

Built
2017
8 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
41 ft
4 main spans
Daily traffic
100
2018 count
Owner
County
County Highway Agency

About this bridge

Silo Hill Road over Tributary Long Branch is a concrete culvert carrying Silo Hill Road over Tributary Long Branch in McLennan County, Texas. It was built in 2017, so it is 8 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 100 vehicles a day, projected to reach 150 by 2038. The structure is 41 ft (12.5 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSilo Hill Road
CrossesTributary Long Branch
Location0.15 MI E of FM 2643
RouteCounty Highway 0
CountyMcLennan County
StateTexas
Coordinates31.36684, -97.12593
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to 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 spans4
Design loadHL 93
Structure length41 ft (12.5 m)
Longest span7 ft (2.1 m)
Deck width33 ft (10 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2018)
Projected traffic150 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Silo Hill Road over Tributary Long Branch built?

It was built in 2017, making it 8 years old in 2025.

What condition is Silo Hill Road over Tributary Long 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 March 2024.

How much traffic does Silo Hill Road over Tributary Long Branch carry?

About 100 vehicles per day (2018 count).

How long is Silo Hill Road over Tributary Long Branch?

The structure is 41 ft (12.5 m) long with a longest span of 7 ft (2.1 m) and a deck 33 ft wide.

Who owns Silo Hill Road over Tributary Long Branch?

It is owned by the County Highway Agency.