US Bridges

SP 174 over Town Branch

Fair

Madison County, Texas · 0.2 MI S of US 190 · Structure no. 171540031501052

Built
1954
71 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
61 ft
4 main spans
Daily traffic
2,230
2020 count
Owner
State
State Highway Agency

About this bridge

SP 174 over Town Branch is a concrete culvert carrying SP 174 over Town Branch in Madison County, Texas. It was built in 1954, so it is 71 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 2,230 vehicles a day, roughly 6% of them trucks, projected to reach 3,098 by 2039. The structure is 61 ft (18.6 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSP 174
CrossesTown Branch
Location0.2 MI S of US 190
RouteState Highway 174
CountyMadison County
StateTexas
Coordinates30.94616, -95.91217
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length61 ft (18.6 m)
Longest span10 ft (3 m)
Deck width45 ft (13.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,230 (2020)
Projected traffic3,098 by 2039
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SP 174 over Town Branch built?

It was built in 1954, making it 71 years old in 2025.

What condition is SP 174 over Town Branch 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 June 2023.

How much traffic does SP 174 over Town Branch carry?

About 2,230 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is SP 174 over Town Branch?

The structure is 61 ft (18.6 m) long with a longest span of 10 ft (3 m) and a deck 45 ft wide.

Who owns SP 174 over Town Branch?

It is owned by the State Highway Agency.